What does the sentence below in the exerpt "The Open Window" suggest about Framton's character?

He made the last statment in a tone of distinct regret.
A. It tells how Framton could be easily irritated by others.
B. It suggests that Framton is unfamiliar with his surroundings.
C. It suggest that Framton lacks courage in new situations.
D. It suggests that Framton is slightly self-conscious about his shyness

D. It suggests that Framton is slightly self-conscious about his shyness.