We couldn’t have picked day for the picnic — it rained nonstop. A. a worseB. a worstC. t

问题补充：

We couldn’t have picked day for the picnic — it rained nonstop.

A. a worse

B. a worst

C. the worse

D. the worst

答案：

(答案→)A. a worse

B. a worst

C. the worse

D. the worst

解析：we couldn’t have picked a worst day 的实际意思是 it is the worst day we’ve picked。