Sociologists have long recognized that social tensions are elements of group life.()

单项选择题Speaker A: Next please! Hello, may I help you, sir Speaker B: ().

A. Hi, do you have a larger size of this shirt
B. I’d like to make an appointment with Dr. Smith.
C. Yes. I want to send a registered airmail letter to Australia.
D. May I have a look at the menu first

单项选择题Speaker A: Guess what Susan published another paper. It's a third in a month. Speaker B: ().

A. I wish I had her brain.
B. You said it.
C. How can I guess that
D. Congratulation.