Question

_______ what he had already, the new stamps were not very interesting.

A. Comparing with B. Replaced to C.Compared with D. Replaced to

请问A与C的区别

Answer 1

主句是后面的the new stamps were not very interesting.
所以主语是后面那句话的the new stamps，是物体。
所以这里用C
翻译：比较起来我们之前有的，这个新邮票也不是很有趣了。
replace的意思是替换、替代的意思，这里翻译不通，所以最终选择C是正确答案。
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Answer 2

和interesting与interested的区别一样。一个的主语是人。一个的主语是物。是人的用ed，物用ing