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

答案及解析： B

解析：

解析：题干中两个分句用逗号隔开，可以判定第二个分句应是一个非限制性定语从句．先行词是“floods”，定语从句中又只缺定语，所以选whose．命题立意：从句子的结构入手，判定句与句之间的关系，然后再选择合适的词．