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 LONG REMEMBERED THUNDER Extensive research did not uncover any evidence that his own frightful battle against incredible odds! I wire as the scrambler went into operation. "Okay, can you read me all right? I'm set up in Elsby. Grammond's boys damned room crouched over a dial. I'll be out and around for the rest of the afternoon." "I want to see results," the thin voice came back over the filtered hum of the jamming device. "You spent a week with Grammond—I can't me." "Fred, when will you learn to sit on your news breaks until you've got some answers to go with the questions?" that. This fellow Margrave—General Margrave. Project Officer for the hyperwave program—he's been on my neck day and night. I can't say I blame him. An unauthorized transmitter interfering with a Top Secret project, progress slowing to a halt, and this Bureau—" me do it my way." area—" "You don't have to justify yourself. Just don't hold out on me. I sometimes wonder if I've seen the complete files on this—" "You've seen all the files! Now I want answers, not questions! I'm warning you, Tremaine. Get that transmitter. I need someone to hang!" Tremaine left the hotel, walked two blocks west along Commerce Street and turned in at a yellow brick building with the words ELSBY though." brings you back to the boondocks?" visit to the old home town. Between us, there's more." "It won't take long to tell we don't know much yet." Tremaine covered the discovery of the powerful unidentified interference on the high-security hyperwave band, the discovery that each transmission produced not one but a pattern of "fixes" on the point of origin. He passed a sheet of paper across the table. It showed a set of concentric "I think what we're getting is an echo effect from each of these pattern—" word for it." "The point is this, Jess: we think we've got it narrowed down to this near here. Now, have you got any ideas?" "That's a tough one, Jimmy. This is where I should come up with the to TV. They figure we should be content with radio, like the Lord something ..." groceries and hikes back out to his place by the river." "Well, what about him?" "Nothing. But he's the town's mystery man. You know that. A little touched in the head." "There were a lot of funny stories about him, I remember," Tremaine "How long's he lived here in Elsby?" "Beats me, Jimmy. You remember old Aunt Tress, used to know all about then?" over again." "What was the idea of that?" for six hours. Then the sob sisters went to work: poor little tyke "What about her and Bram? A romance?" about any kind of socializing in front of her." "When's this bootleg station supposed to broadcast again?" "After dark. I'm working on a few ideas. It might be an infinitely repeating logarithmic sequence, based on—" Hall, a squat structure of brownish-red brick, crouched under yellow A thin man with garters above the elbow looked over his shoulder at sell, mister, if that's what you want to know." "See what I can do," he said. line written in faded ink: "May 19. Acreage sold, One Dollar and other G&amp Section 24, Township Elsby. Bram. (see Vol. 9 &amp cet.)" "That's the ledger for 1901 The man was looking at the book with pursed lips. "Nineteen-oh-one," "I guess you're right." "I've heard those stories. Just superstition, wouldn't you say?" "There's one story that's not superstition...." Untrimmed sumacs threw late-afternoon shadows on the discolored stucco paper-dry woman of indeterminate age to a rack of yellowed newsprint. "I want nineteen-oh-one, if they go back that far." through it, muttering. adjusted her glasses, squinted at the front page. "That's it," she page. The lead article concerned the opening of the Pan-American On page four, under a column headed from about the first of the year?" his eye: A Severe Thunderstorm. Citizens of Elsby and the country were much thunder, during the night of the fifth. A fire set in the pine timber and threatened the house before burning itself out along the river. "What's your problem, mister?" a harsh voice drawled. "What's the matter? Run out of signal?" "What's it to you, mister?" "I thought you were going to keep your men away from Elsby until I gave "It's nothing we can go to court with, Grammond. And the job you were doing might have been influenced if I'd told you about the Elsby angle." Grammond cursed. "I could have put my men in the town and taken it apart brick by brick in the time—" "That's just what I don't want. If our bird sees cops cruising, he'll "You've got it all figured, I see. I'm just the dumb hick you boys use out a signal. For all I know, it's forty midgets on bicycles, pedalling all over the damned state. I've got fixes in every county—" "The smallest hyperwave transmitter Uncle Sam knows how to build weighs three tons," said Tremaine. "Bicycles are out." Grammond snorted. "Okay, Tremaine," he said. "You're the boy with all the answers. But if you get in trouble, don't call me hung up the telephone, went to the dresser and poured two fingers of once-stately three-storied mansion overgrown with untrimmed vines, its that you've amounted to something." "Just another bureaucrat, I'm afraid." "You were wise to leave Elsby. There is no future here for a young man." information. This is an important matter. May I rely on your "How long has Mr. Bram lived in Elsby?" used against him?" "There'll be nothing done against him, Miss Carroll ... unless it needs to be in the national interest." "I'm not at all sure I know what the term 'national interest' means, year." "What does he do for a living?" "I have no idea." "Why did a healthy young fellow like Bram settle out in that isolated piece of country? What's his story?" "I'm ... not sure that anyone truly knows Bram's story." last?" and it may help him." him to his house. On the way he told me a terrible and pathetic tale. He said that each night he fought a battle with evil beings, alone, in silver disc on a fine golden chain. "You see what a foolish old woman I am, James." "I'd be grateful for any lead." "Bram fears the thunder." III Tremaine shook his head. "I'm getting nowhere fast. The Bram idea's a dud, I'm afraid." from what you were saying to me." he doesn't want to be left out." "We're up against an unknown quantity. I don't know what's behind this and neither does anybody else. Maybe it's a ring of Bolsheviks ... and maybe it's something bigger. I have the feeling we've made enough I don't want to see this botched." "Better get it." "What do you make of it. Jimmy?" questions." lounged on a steel-framed cot, blinking up at the visitor under a mop of greased hair. "What did you hear?" "Who says so?" that way, ain't he?" "Anything else?"

<question>:
Which best summarizes this story?

<options>:
A A private investigator tries to find a transmitter which allows him to save his hometown from certain danger.
B An investigator travels to his hometown to find conflict between the transmitter-using youth and the local and state police forces.
C An investigator travels to his hometown to locate a transmitter with an unknown use.
D A man seeks justice for a town plagued by a harmful transmitter.

<answer>:

C