监理实施细则中，专业工程特点应从专业工程（）进行有针对性的阐述。

A.施工的重点和难点

B.施工工艺

C.施工工序

D.工程概况

E.施工范围和施工顺序

You won’t be______ by the host to the wedding ______ you are a good friend of his.

A．advised; unless

B．admitted; if

C．invited; unless

D．impressed; if