Bats are surprisingly long-lived creatur...

Bats are surprisingly long-lived creatures, some ___ a life span of around 20 years.

A．have

B．had

C．having

D．to have

C 【解析】考察非谓语动词，根据句子结构可知，该处为状语，some指的是some bats，与动词have之间是主动关系，所以选择having作状语句意为，蝙蝠有出奇的长的寿命，一些蝙蝠有20年的寿命。

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