______surprised me most was to see some of the villagers ______ on the benches in the corner.

______surprised me most was to see some of the villagers ______ on the benches in the corner.

A.What , seated

B.That ; seated

C.That; seating

D.What, seating

答案及解析： A

解析：

这里主语从句须用what引导, 如用that就缺少主语; seating为及物动词的分词.