That day they ________ there on foot, but they took a taxi. The place was only 50 meters away from the railway station
A.must have gone
B.shouldn’t have gone
C.could have gone
D.couldn’t have gone
网友回答
C解析本题考查情态动词。could have done本能够做。句意：那天他们本能够步行，但他们打的。那个地方离火车站只有50米。