题目内容:
Accordingtothepassage,thecarstartedtogainpopularitybecause________.
A.itdidn’tbreakdownaseasilyasahorse B.ithadacomparativelypleasantodor
C.itcausedlesspollutionthanhorses
D.itbrightenedupthegloomystreets
参考答案:
答案解析: