It was now clear that no such weapons were manufactured and none been found.A、wa

游客2025-01-31 20

问题 It was now clear that no such weapons were manufactured and none been found.

选项 A、was found
B、were founded
C、has been found
D、have been founded

答案 A

解析本题考查句子时态和词义辨析。由于“and”连接的两部分属并列关系，所以，句子前后时态应一致，应为一般过去时。又因为find“发现”的过去式是found，founded是found“建立”的过去式，根据题意可知，A为正确答案。

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Nosuchweaponswereusedandnonebeenfound.A、nonehavebeenB、nonehasC、noo