－ Since you’ve made your decision you’d better carry it out.－ I give it up?A. Only ifB.

问题补充：

－ Since you’ve made your decision, you’d better carry it out.

－ I give it up?

A. Only if

B. What if

C. If

D. Even if

答案：

A. Only if

(答案→)B. What if

C. If

D. Even if

解析：考查连词辨析。Only if 只要，What if 倘使，又怎么样，Even if 即使，句意：既然你已经做了决定，你最好执行。如果我放弃又怎么样。所以选B。