C2B可以看作是B2C的反向过程，也可以看作是B2C和C2C的一个有效补充。C2B can be seen as a reverse process of B2C and an effective s

C2B可以看作是B2C的反向过程，也可以看作是B2C和C2C的一个有效补充。C2B can be seen as a reverse process of B2C and an effective supplement to B2C and C2C.

A.正确

B.错误

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