---- The free gift doesn’t look good.

----________, madam, but if you want good quality, you have to pay for it.

A．No doubt

B．No offence

C．No problem

D．No way

索膜支承结构安装包括如下工序：①节点埋件预埋;②节点预埋复核;③钢结构制作;④构件防腐、防火涂装;⑤构件吊装。下列安装流程中，正确的是()。

A.④①②③⑤ 

B.②①③④⑤ 

C.②③①⑤④ 

D.①③②④⑤