【题目】Bats are surprisingly long-lived creatures, some _____ a life span of around 20 years.
A. having B. had C. have D. to have
在线课程【答案】A
【解析】
试题分析：考查现在分词。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年的寿命故选A。