Question

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

A．had

B．having

C．have

D．to have

Answer 1

B

试题分析：考查非谓语动词。句子的主句是“Bats are surprisingly long-lived creatures”，逗号后面是非谓语部分，some是逻辑主语，指的是“一些老鼠”，如果选C的话，两个并列分句需要and连接，some和have是主谓关系，用现在分词，故选B。