input: Text: THE LONG REMEMBERED THUNDER BY KEITH LAUMER He was as ancient as time—and as strange as his own frightful battle against incredible odds! I In his room at the Elsby Commercial Hotel, Tremaine opened his luggage and took out a small tool kit, used a screwdriver to remove the bottom cover plate from the telephone. He inserted a tiny aluminum cylinder, crimped wires and replaced the cover. Then he dialed a long-distance Washington number and waited half a minute for the connection. "Fred, Tremaine here. Put the buzzer on." A thin hum sounded on the wire as the scrambler went into operation. "Okay, can you read me all right? I'm set up in Elsby. Grammond's boys are supposed to keep me informed. Meantime, I'm not sitting in this 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 wait another. I don't mind telling you certain quarters are pressing me." "Fred, when will you learn to sit on your news breaks until you've got some answers to go with the questions?" "I'm an appointive official," Fred said sharply. "But never mind that. This fellow Margrav
  Question: Of the following options, which seems to be Tremaine's biggest asset in his investigation?
  
   (A) His history with the town. Folks knew him and were more willing to help him like Miss Carroll, and he knew how to motivate people, like he did by bribing the record keeper for help.
   (B) His good looks. They help him flirt with women like Miss Carroll and the librarian, so he could get more information.
   (C) His strength. He was able to bust down the door at Mr. Bram's home and catch him in the act of transmitting data.
   (D) His ruthlessness. He was strict enough to draw boundaries with the state police that helped his investigation significantly.
  Answer:
output: His history with the town. Folks knew him and were more willing to help him like Miss Carroll, and he knew how to motivate people, like he did by bribing the record keeper for help.