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单选题
These windshields are formed to the exact shape required, but are slightly larger than necessary so they may be trimmed to the exact size.
A
The windshields are filled in a form that requires an exact shape, but they are necessary to have a slightly larger space for the ease of adjustment.
B
The shape of the windshields has exact requirements, but for purpose of exact size, they appear slightly larger.
C
These windshields are shaped to a required exact appearance, but in order to be clipped accurately, they are a little bigger than necessary.
答案解析
正确答案：C
