The answer is letter A) He is startled.
Explanation:
Tom, George, and Myrtle are characters in the novel "The Great Gatsby", by F. Scott Fitzgerald. George and Myrtle are married to each other, but she has been having an affair with Tom, a wealthy, and also married, man. In Chapter 7, George tells Tom he and his wife will be moving west. He implies he has noticed something about Myrtle - probably the fact that she has a lover. Tom is startled, but does not say anything that could implicate himself. He thought Myrtle would always be there, always available to be with him whenever he wanted. Realizing that she has a life of her own makes him surprised:
“I’ve been here too long. I want to get away. My wife and I want to go West.”
“Your wife does,” exclaimed Tom, startled.
“She’s been talking about it for ten years.” He rested for a moment against the pump, shading his eyes. “And now she’s going whether she wants to or not. I’m going to get her away.”
[...]
“What do I owe you?” demanded Tom harshly.
“I just got wised up to something funny the last two days,” remarked Wilson. “That’s why I want to get away. That’s why I been bothering you about the car.”
“What do I owe you?”
“Dollar twenty.”
The relentless beating heat was beginning to confuse me and I had a bad moment there before I realized that so far his suspicions hadn’t alighted on Tom. He had discovered that Myrtle had some sort of life apart from him in another world, and the shock had made him physically sick.
