初三英语单选Scientist say it may be a few years ____ it is possibl

初三英语单选
Scientist say it may be a few years ____ it is possible to test the new medicine on patient
A.because B.after C.before D.since

huyuwujaychou 1年前已收到4个回答举报

ericsong777 幼苗

共回答了17个问题采纳率：94.1% 举报

很简单啊.就是C啊.科学家说可以在病人身上测试新的机器之前可能还需一些年.
怎么会这么多答案呢.

1年前

会非的与幼苗

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seeseaboy 幼苗

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臭臭4518 幼苗

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B.after 科学家说，这可能是数年后有可能对病人的测试新药

1年前

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