What does "His parents are dead against the trip" mean？A．His parents are dead because of t

What does "His parents are dead against the trip" mean？

A．His parents are dead because of the trip.

B．His parents are quite in opposition to the trip.

C．His parents are hardly against the trip.

D．His parents have a very hard time during the trip.

请帮忙给出正确答案和分析，谢谢！