"what did you hear last night?""I seemes____someone knock at the door".A.to hearB.hearC.having heardD.to have heard

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"whatdidyouhearlastnight?""Iseemes____someoneknockatthedoor".A.tohearB.hearC.havingheardD.tohavehear

"what did you hear last night?""I seemes____someone knock at the door".A.to hearB.hearC.having heardD.to have heard
"what did you hear last night?""I seemes____someone knock at the door".
A.to hear
B.hear
C.having heard
D.to have heard

"what did you hear last night?""I seemes____someone knock at the door".A.to hearB.hearC.having heardD.to have heard
D
完成式表示已经发生
I seem to have heard.
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C

D.to have heard
seem to do sth
又因为是昨晚的且对现在有影响,所以,have done
综上选D
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seem to be something 固定语态 所以选A或者D, 那么“听到某人敲门”这件事已经完成了。就用“完成”时态, D是完成时态,而且符合固定语态 , 所以正确答案是 D

D撒

C.having heard