问题详情

Which of the italicized parts indicates CONTRAST？

A．Mr. White is principal of the school, and an expert in translation.

B．He is not man enough, and that"s all.

C．Jack grew wheat on his farm during the day, and at night he studied astronomy.

D．He got up very early, and he failed to catch the morning train.

请帮忙给出正确答案和分析，谢谢！