英语状语从句的问题.
which of the following contains an adverbial of cause?
A.He failed to lift the rock in spite of all his exertions.
B.To draw the map properly,you need a special pen.
C.For all her wealth,she never wastes money on luxury good.
D.With all this work to do,I don't know whether I can go out.
请问答案是哪个?为什么?