The flood is believed more than 50 people and made thousands homeless it perhaps the mo

问题补充：

The flood is believed more than 50 people and made thousands homeless, it perhaps the most destroying flood in history in the area.

A. killing; to make

B. to have killed; making

C. to have killed; having made

D. having killed; making

答案：

A. killing; to make

(答案→)B. to have killed; making

C. to have killed; having made

D. having killed; making

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