Read the following passage and questions, then choose the right answer from options, the answer should be one of A, B, C, D.

<passage>:
I'm beginning to see this thing a little clearer. Joan, what we've got here is a one-shot gamble right?" "In effect," she said cautiously. back in '52? They scrabbled for them ("One-Shot") Braun was in the city they finally had to warn the public that if it found anything funny-looking going about his normal business, which was making another million for a year and never pulled up a one along the shore it shouldn't bang dollars. As we found out later, almost nothing else was normal about legitimate nature of the deals he was trying to make. From every point of view it was a half a million people out of the city anything from the prob series, Clark? I thought not. On a one-shot gamble of this kind, the 'laws' of chance are no good at all. For that matter, the knew nothing about this until afterward from the point of view of the storyteller, an organization like Civilian so-called ESP experiments showed us the essence of a gamble can make a monkey out of chance almost at will. "And if there ever was such a that a man with a feeling for tried to fictionalize what we do—particularly for the lazy examples of that their plotting has already been done for them—but it's inherent in the way we operate, and there it is. Certainly nobody at CIA so much as thought of Braun when the news the messenger had been fast, and the gambler hadn't bothered to read what a college student had thought He was impressive, all right. It would have been hard for a stranger to believe that he was aiming at respectability "We did. Nothing but background." casualness. It was only when he opened his mouth that One-Shot Braun was in the suit with him. Congressional Investigating Committee something out in the harbor. We don't know what it is. It may be a hell-bomb, or it may be just somebody's radioactives, anything that might act up unexpectedly." gambles were no longer concentrated through for us in time. the rest of the ship from being flooded least they didn't do a thorough job. The on horses, the numbers, or shady insurance captain yelled for help. When the the only person who did come know what she dropped and we haven't any way of finding out. It could be a bomb—it could be anything. We're sweating everybody on "Nothing, Dr. Hadamard. Could that none of them know anything the whole procedure was designed to be automatic." be it's shielded." board the ship now, but it's my guess "Scintillation counter?" ever comes, we're going to have more likely, some scapegoat—for having failed to develop a comparable government department. said. "Look, I never in my life run odds on anything that made any difference. But this makes a difference. If I guess wrong—" "Then we're all dead ducks. But no one of which had had the money to buy one for itself. The Eisenhower administration, with its emphasis said wasn't going to be reversed within the practicable lifetime of CIA. frightened, and again I was surprised without having any right to be. I tried to keep at least my voice do it any other way. And if you guess wrong, the outcome won't be any worse than if you don't try at all." unexpected stab of pure fright went down my back. Without the eyes, Braun's face was a death mask. The water sounds and the irregular ticking of a Geiger counter ... Underwater noises, shapeless and characterless. "Hello, out there in the harbor. "All right," he said. "You guys wanted it this way. I say it's a bomb. " the city—do something, shielded that dump-cell is." "It isn't shielded at all," Anderton's voice said behind me. I hadn't prove anything. The egg might have carried sufficient shielding in itself. Or maybe the Commies didn't care whether the crew was exposed or not. Or maybe there isn't any egg." "It won't go off. That's the one thing you can be sure it won't do." "All that's possible," I admitted. "We're getting plenty of radiation now. Just a minute— Yeah. Dr. Hadamard, it's a bomb, all right. But it hasn't got a fuse. Now how could they have made a fool mistake like that?" to duck out just like that? Remember, Dr. Harris, we've got to evacuate the city first of all! No matter whether it's a real egg or not—we can't take the chance on it's not a go-ahead from CIA," I said. "For all we know now, evacuating the city may be just what the enemy wants us to do—so they can grab it unharmed. It was too good a chance for us to test how our facilities would stand up in a real bomb-drop." let an opportunity like this slip. staged this? You ought to be shot, the whole pack of you!" "No, not exactly," I said. "The a half million lives riding on it. I when you hired us," I pointed out. "If you want to evacuate without our can't let you do it." "You passed your authority to us "You can't take such a gamble," he said grimly. "There are eight and O.K., you'll have to fire us first. It'll to miss. We wanted to find out just how long it would take us to figure out the nature of the bomb—which we didn't know in detail—after it was dropped here. So we had our Or they may want to start a panic , except negative information. But the fact is that anything I found would have been a surprise to right on the button as far as it went. We didn't ask you whether or not that object was a live bomb. We asked whether it was a bomb or not. You said it was, and you were right." me I went down looking for surprises. I found nothing but a faint fifty possible reasons." formally extinct—although anyone who knew the signs could still pick "I might of made the colonel's idea come true. I don't go for tricks like "It was more than a trick," Clark put in. "You'll remember we had up some traces on the docks. In those Obviously, in a real drop we wouldn't have all the time in the world failed to establish that when the deadline ran out, we would have had to allow evacuation of the city, with all the attendant risk that that was exactly what the enemy wanted us to do." "Are you trying to say that CIA lengths of ropes not normally in view of the public—nothing incriminating, but enough to give me In a real drop that would have resulted in a detonation, if the bomb was real we'd never risk it. That we did do it in the test was a concession of failure—an admission that Braun was in the city over the week end. It would never have occurred our usual methods didn't come still a professional gambler, and according to what he had told the "And that means that you were to have you here, as an active part of our investigation. Your intuition for the one-shot gamble was the one thing that bailed us out this time. Next time it may save eight million almost bought the Empire through, Mr. Braun. If a real bomb-drop almost in the equation stands for the moment lives." There was quite a long silence. All of us, Anderton included, watched "There's always an almost-open conflict for some other reason, any one of had been born—the plainest kind of symbolic suicide: Let's not have any might tell me about my own motives, if I'd let it. All of which had nothing to do —or did it? I kept remembering Anderton's challenge: "You can't take such a gamble. There are eight and a half million lives riding on it—" That put it up into Braun's normal operating area, all right. The I called headquarters and sent a helplessness. Cheyney was bent over a seismograph, echo-sounding One-Shot Braun?" "Yes. What's he got to do with it?" "What good is a professional gambler on a job like this? He'll just and had shown me considerable alert out!"

<question>:
Why didn't the city get evacuated?

<options>:
A The CIA members disagreed on what to do.
B There was not enough time.
C The chaos could have caused more damage.
D There was no actual danger to civilians.

<answer>:

D