Do you hear that noise? I think I hear someone____the back window

问题描述:

Do you hear that noise? I think I hear someone____the back window
(a)to try open(b)trying to open (c)trying opening (d)to try to open
请问hear这些词,後面是用什麼时式?

晕,这个题都有不同意见.
选B trying to open
I think I hear someone 【trying to open】 the back window
我想我听见有人正在试着开后窗户.
trying,是现在分词做宾语补足语,
try to do sth,试着做某事
看看下面的解释吧