Mark was a student at this university from 2006 to 2011，he studied very hard and was made

发布时间：2020-08-17 03:50:56

Mark was a student at this university from 2006 to 2011，    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

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(答案→)A. during which time
B. for which time
C. during whose time
D. by that time
解析：考察定语从句。本题定语从句的先行词是from 2006 to 2011，在定语从句中使用which time指代前面的先行词，注意that不能放在介词的后面，排除D项。C项指的whose并不是time的定语。用介词dring表示“在…期间”；句意：从2006年到2011年，Mark在这所大学里读书，在此期间，他学习非常努力，被选为学生会的主席。故A正确。
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