I don't think the charge for overhauling （大修）the equipment is excessive in to its size.A.

问题补充：

I don think the charge for overhauling （大修）the equipment is excessive in to its size.

A. correspondence

B. equation

C. proportion

D. dimension

答案：

A. correspondence

B. equation

(答案→)C. proportion

D. dimension

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