— His father used to be the mayor of the city.

— _____. What is important is whether he has the ability to do the job well. [ ]

A. It's up to you

B. That depends

C. Not at all

D. That's not the point

依据《建设施工合同（示范文本）》规定，因承包人的原因不能按期开工，（）后推迟开工日期。

A.需承包人书面通知工程师

B.应经建设行政主管部门批准

C.应经工程师批准

D.需承包人书面通知发包人