31._____ , the people in the flooded areas could not have rebuilt their homes.

A. If the Party didn't offer its timely help

B. Hadn't the Party offered its timely help

C. Should the Party offered its timely help

D. If the Party offered its timely help

32. The moon shines brightly, as if it _____ light by itself.

A. gave off B. gave away C. gave up D. gave in