There were already five people in the car but they managed to take me as well .
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There were already five people in the car but they managed to take me as well . It ____ a comfortable journey .
A . can''t e B . shouldn''t be C . mustn''t have been D . couldn''t have been
试题答案
D
解析:
could表示对过去事情的推测，用于否定句或疑问句。