Is 48 hours the man-made satellite is made in our country to orbit the planet around?A

问题补充：

Is 48 hours the man-made satellite is made in our country to orbit the planet around?

A. it; that; where

B. it; when; that

C. it for; that it takes; that

D. it; that it takes; which

答案：

A. it; that; where

B. it; when; that

C. it for; that it takes; that

(答案→)D. it; that it takes; which

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