—What would you do _____ you had millions of money?

—I am not sure _____ what you said is just my dream!

A．if, because

B．whether, after

C．if, when

D．whether, because

常用的护脚阻滑措施为在滑坡体下部的堤脚附近堆放土袋、（）、石笼等重物。

A.麦秸

B.块石

C.稻草

D.树枝