On December 28, 2009, a terrible tsunami happened in the coasts of South and Southeast Asia, over 25,0000 people.
A. killing
B. had killed
C. killed
D. having killed
网友回答
(答案→)A. killing
B. had killed
C. killed
D. having killed
解析：考查非谓语。用—ing形式作状语表示对谓语动词的补充说明。