ItrainedheavilyinShaanxiinSeptember,2011,________seriousfloodinginseveralareas.
A.caused B.to cause C.causing D.having caused正确答案C
ItrainedheavilyinShaanxiinSeptember,2011,________seriousfloodinginseveralareas.
A.caused B.to cause C.causing D.having caused正确答案C