A(n)______of labor unions opposed the bill by continuing the strike for nearly one week.A.

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A(n)______of labor unions opposed the bill by continuing the strike for nearly one week.

A.coincidence

B.harmony

C.uniform

D.alliance

请帮忙给出正确答案和分析,谢谢!

热搜:关于氨基酸代谢错误的论述是_________。