160. Important ________ his discovery might be, it was regarded as a matter of no account in his time. 虽然他的发现很重要，但是在他那个时代，这个发现被认为毫无价值。 A. when B. until C. as D. although

160. Important ________ his discovery might be, it was regarded as a matter of no account in his time. 虽然他的发现很重要，但是在他那个时代，这个发现被认为毫无价值。
A. when B. until C. as D. although

出自：东华大学大学英语4

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