Don't come to my house to visit me between 8 a. m. and 4 p. m. , I am always in
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Don't come to my house to visit me between 8 a. m. and 4 p. m. , ________ I am always in school.
A.by which
B.on which
C.during which time
D.which
试题答案
C
介词+which引导的非限制性定语从句，相当于during that time或when。