“when i returned home,i found the window open and a number of things_____”

题目

“when i returned home,i found the window open and a number of things_____”
a to steal
b stealing
c stolen
d missed
(P40)

答案

选C,steal的过去分词stolen表示已经被偷了,不可能是进行或将来,D的话前面应该有BE动词才对.而且作比较的话,也应该从ABC中选.