(2011·浙江高考)Bats are surprisingly longlived creatures, some a life span of around 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:选A 考查非谓语动词。句意:真想不到,蝙蝠竟是长寿生物,有些蝙蝠的寿命长达近20年。结合语意和句子结构可知,此处为独立主格结构,having的逻辑主语是前面的some。