勘察设计费包括（）。

A．工程勘察费

B．初步设计费

C．设计模型制作费

D．安装设计费

E．园林设计费

That is secret．        ．

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A．Only knows Mary how to do it

B．Only does Mary know how to do it

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C．Only Mary knows how to do it

D．Mary knows only how to do it