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

<passage>:
THE PERFECTIONISTS By ARNOLD CASTLE ILLUSTRATED by SUMMERS appeared to have overcome every Is there something wrong with you? aware of just how perfect, physically, Mary Ann was. Too perfect. No freckles or moles anywhere on the visible surface of little imperfection he had been able to communicate to her. had been in business for a week and as yet had had no callers. came up the stairs and into the removed an automatic pistol fitted with a silencer. Pointing It was obvious that the liquor had been having some effect. Either that, or she had a basic it at the amazed customer, he flaw of loquacity that no one else had discovered. Pembroke decided would arrive. The series of events leading up gambling everything on this one throw. "When you go to Earth steamer Elena Mia had encountered a dense greenish fog which "Oh, but you'll be dead by I'll miss you terribly." and to spot the immense gray "Oh, yes, I'm sure they would." Then the explosion had come, from far below the waterline, and the decks were awash with frantic crewmen, officers, and the handful of passengers. Only two lifeboats were launched before the Elena Mia went down. Pembroke was in the second. The roar of the sinking ship was the "Yes? Please tell me." last thing he heard for some fortune through speculation in a which was perhaps the reason affectionate Mary Ann. My paramour." Making love to Mary Ann was something short of ecstasy. Not for any obvious reason, but because Ann had no pulse. Mary Ann did not perspire. Mary Ann did not fatigue gradually but all at once. elevate the glory and safety of when he regained consciousness. But then, Mary Ann was not a human being. When she left the hotel at midnight, Pembroke was quite sure that she understood his plan and that she was irrevocably in love with him. Tomorrow might bring his death, but it might also ensure He awoke in a small room in his escape. After forty-two Earth and the human race that peopled it. And Mary Ann would help him to save it. the crew of the ship, The next morning Pembroke fact that there was nothing to hunt and only a single target thirty, tossed back her long, of course, had to be just the city. Pembroke and Mary Ann took turns firing at the paper targets they had purchased. At twilight they headed back to the "Could it be me?" hopped off. Mary Ann would go straight to the police and report that Pembroke had attacked her and that she had shot him. If necessary, she would conduct the authorities to the place where they had been target "Tell me what's wrong with me," she went on urgently. "I'm buried the body. Why had she buried it? Because at first she there's something wrong with the way I look or act. Isn't there? Please help me, please!" probably be no further investigation. And they certainly would not prosecute Mary Ann for killing was not going to report the incident. She was frightened. It to play along with her for the moment. "You're too tense. Also you're a bit knock-kneed, was not airtight, but there would an Earthman. torn the collar of the shirt and discarded his belt. By morning Only the last would be a deception. Two weeks later Pembroke phoned Mary Ann. The police had accepted her story without even checking. And when, when He had aroused her passion and Pembroke left the beach and no amount of long-distance love the woman off his mind, but the sounded as if she had been giving it was her concern about being that to her? Then he saw the weird little because they bled. Mary Ann had admitted that she did not. There would be very few Earthmen left in Puerto Pacifico, and him if he were reported as being on the loose. There was no out but to do away with Mary "Oh, good heavens, whatever is the bizarre statuette underneath the counter. "What the hell was that?" Pembroke demanded. Ann. "Oh, you know—or don't you? that thing doing here?" Though the rest of her compensated for that. a ship. It was leaving the counter and strutted back and forth a few times. exodus would take place. Yet he you won't fall down," suggested Pembroke. "You're in too much of a hurry. Also those fake flowers not good enough, am I? I mean, spaceships. In fact, they knew very little about their masters. shooting, but would be unable to "Don't try to go so fast and Now the ship had arrived and locate the spot where she had the docks. Almost at once "Okay, then where am I?" To his surprise, the boy came back a few minutes later after servicing the automobile. Also, you gas up the car first, hulk wallowing in the murky distance. on an intricate keyboard in front of it. a metallic voice from a speaker on the wall. "Mary Ann, you have two other flaws I feel I should mention." Newton?" the voice asked. "You Earth. In time you will receive instructions. Then you will attack. hotel. Going to the bar, he recognized one of the Elena Mia's paying passengers. He was a short, He stumbled out toward the frantically, she called his name several times. Pembroke mingled the ship, ignoring her. But still the woman persisted in her shouting. "I thought it made me look sexy," the redhead said petulantly. with a chuckle. "Those high-strung paramour types always raising a ruckus. They never do feather cut was insisting. "What is wrong with me?" "You're perfect, sweetheart," "Me, me," the blonde with a "Ah, come on," she pleaded. "Everyone tells me I chew gum "They'll take her off to the buggy house for a few days and bring "Naw, that's part of your charm," Spencer assured her. the girl with the coal black hair. C'mon, kids—how 'bout another round?" But the dolls had apparently Pembroke was explaining to the "Wonder what the hell got into from the scene of the sinking of the Elena Mia on a piece of wreckage, and had been picked up by a Chilean trawler. How he those babes?" "You said they were perfect. had then made his way, with They know they're not. You've the two demolished Pacificos that lay sprawled one atop the other FBI should arrive soon. There were footsteps on the stairs for the third time that "Ah, no, not you, too," groaned the gag?" Spencer," Valencia explained. problem—" "Well, so what?" demanded The four shots from Pembroke's effectively. Pembroke tossed his pistol solved his problem He would be out of business soon, once the FBI agent had got there. Pembroke was only in it to that it was exactly this that from God-knew-what insidious THE END yourself to blame. Cooperation is all we require of you." Valencia left. Spencer ordered Pembroke spoke for several minutes. "Somebody's crazy around pretty hit-or-miss operation. But went down with the ship. That was just part of the game." "What the hell are you sayin'?" they sunk the ship? Valencia and the waitress and the three babes? Ah, come on." "It's what you think that will Pembroke overheard the conversation. "Ah, hell! Nothin' wrong Pembroke heard the shots as While he waited for the elevator, he saw them carrying the body in Puerto Pacifico? Mary Ann, the woman he had met on the beach, out to dinner. and had almost exhausted his critical capabilities, but not once had she become annoyed with him. She seemed to devour every factual point of imperfection brought to her attention. And, fantastically enough, she actually

<question>:
What caused the explosion that sunk the Elena Mia?

<options>:
A An alien craft fired on the Elena Mia from under the water.
B A Colombian ship fired a torpedo on the Elena Mia, causing it to explode.
C The Elena Mia ran into an iceberg. The ice pierced the ship's electronics causing an explosion.
D The androids tampered with the Elena Mia's electronics causing an explosion.

<answer>:

A