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Question 6 of 6
What can be inferred about the professor when he says this?

A.

He believes that the second design was an improvement over the first.

B.

He doubts that the second design was as efficient as the first.

C.

He believes that the two designs were similar.

D.

He doubts that the change in the roof was necessary.

我的答案:

正确答案:C

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