Last month part of Southeast Asia was struck by floods from effects the people are still

问题补充：

Last month,part of Southeast Asia was struck by floods,from effects the people are still suffering.

A. that

B. whose

C. those

D. what

答案：

A. that

(答案→)B. whose

C. those

D. what

解析：floods与effects有所有格关系，而whose可以连接前后两部分，构成定语从句。