题目内容
John said he had been working in the office for an hour, _______ was true.?
| A.he | B.this? |
| C.which | D.who? |
C
which引导非限制性定语从句,which可指代主句的整个内容,意为“这一点”。
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题目内容
| A.he | B.this? |
| C.which | D.who? |