英语The earthquake_the tsunami happend deep under the sea,_more than 200,000 people
问题描述：
英语The earthquake_the tsunami happend deep under the sea,_more than 200,000 people
A.causing;killing B.caused;killing C.causing;killed D.caused;killed.到底选A还是C原因
答
选A
有个简单的办法.这个句子里已经有了个动词happen,而前后都没有that/which作指代,而且也没有连词and,所以只能用ing形式.