【题目】People depend on cars so much they forget to exercise their bodies and end up _______ various diseases.
A. having developed B. developed
C. developing D. to develop
【答案】C
【解析】试题分析:考查时态。A.表示完成时态;B.表过去时态;C.表进行;D.表将来。因end up+V-ing:以..结束;又因这句话陈述的是一个普遍的事实,所以用一般现在时即可,所以用developing。句意:人们如此依赖汽车 以至于他们忘记了锻炼身体最后以不同的疾病结束。故选C