问题详情

Which of the following prepositional phrases is an adverbial of manner？

A．Why don"t you do it for the sake of others？

B．Her eyes were red from crying.

C．You mustn"t cross the road against the red light.

D．In spite of the drizzle, they worked in the fields for hours.

请帮忙给出正确答案和分析，谢谢！