The cashier locked eyes with Diego. "May I take your order?" she asked.
"Well," Diego began, looking away immediately. "You see, I'd really like a
salad, if that's okay with you."
"What kind of dressing do you want?"
"Oh, um, I... I don't know."
The cashier raised an eyebrow. "We have ranch, blue cheese, and
vinaigrette."
"Ranch!" Diego blurted. "I... I mean blue cheese!"
What does the dialogue in the passage most clearly reveal about Diego?
A. Diego is thoughtful.
B. Diego is arrogant.
C. Diego is timid
D. Diego is dishonest.