Bats are surprisingly long-lived creatures, some a life span of 20 years.A. havingB. hadC

发布时间：2020-08-17 03:18:49

Bats are surprisingly long-lived creatures, some      a life span of 20 years.
A. having
B. had
C. have
D. to have

网友回答

(答案→)A. having
B. had
C. have
D. to have
解析：句意，蝙蝠居然是寿命很长的生物，一些蝙蝠甚至有20年左右的寿命。后半句的逻辑主语也是bats，have 这个行为动词也是bats发出的， 而且表示主动就用V-ing 
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