求英语大佬解答这两道选择题如何做

更新时间2019-11-07 09:52:58

5. Last month, part of Southeast Asia was struck by floods, from ________ effects people are still suffering.
A．that B．whose C．those D．what
6. Mark was a student at this university from 1999 to 2003, ________ he studied very hard and was made Chairman of the Students’ Union.
A. during which time B. for which time C. during whose time D. by that time

答案应该是B和A。