Which job does Jack take?A.Adviser.B.Accountant.C.Supervisor.D.Investor.

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Which job does Jack take?

A.Adviser.

B.Accountant.

C.Supervisor.

D.Investor.

请帮忙给出正确答案和分析,谢谢!

热搜:a是b的充分条件,b是a的必要条件吗