There have beenlittle change in the patient’s condition since he was moved to this room. A

发布时间：2020-08-17 13:32:02

There have beenlittle change in the patient’s condition since he was moved to this room.
A       B                             C         D                               A  There have been ---There has been 

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(答案→)A  There have been ---There has been 
解析：根据后面的little change可知，这里要用单数。
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