input: Text: DOUBLE TROUBLE by CARL JACOBI Grannie Annie, that waspish science-fiction writer, was in a jam again. What with red-spot fever, talking cockatoos and flagpole trees, I was running in circles—especially since Grannie became twins every now and then. We had left the offices of Interstellar Voice three days ago, Earth time, and now as the immense disc of Jupiter flamed across the sky, entered the outer limits of the Baldric. Grannie Annie strode in the lead, her absurd long-skirted black dress looking as out of place in this desert as the trees. Flagpole trees. They rose straight up like enormous cat-tails, with only a melon-shaped protuberance at the top to show they were a form of vegetation. Everything else was blanketed by the sand and the powerful wind that blew from all quarters. As we reached the first of those trees, Grannie came to a halt. "This is the Baldric all right. If my calculations are right, we've hit it at its narrowest spot." Ezra Karn took a greasy pipe from his lips and spat. "It looks like the rest of this God-forsaken moon," he said, "'ceptin for them sticks." Xartal, the Martian illustrator, said nothing. He was like that, taciturn, speaking only when spoken to. He could be excused this time, however, for this was only our third day on Jupiter's Eighth Moon, and the country was still strange to us. When Annabella C. Flowers, that renowned writer of science fiction, visiphoned me at C
  Question: How was Antlers Park able to fool Ezra and Billy-boy into believing Grannie Annie was with him?
  
   (A) He was driving the kite car too quickly through the sand to clearly see who the passenger was.
   (B) He was using one of the images from the birds as an impersonator of Grannie Annie 
   (C) He was a skilled mastermind with tendencies that could trick anyone into believing him
   (D) His vehicle was equipped with technology that could infiltrate the invention by Baker
  Answer:
output: He was using one of the images from the birds as an impersonator of Grannie Annie