―He’s never advised to achieve a balance between his job and hobbies, ________?

―Yes. His parents and teachers often offer him some advice.

A．has he

B．is he

C．hasn’t he

D．isn’t he

下列要求中，（）是分析施工进度计划工作之间的逻辑关系时，应当考虑的。

A.施工工艺的要求

B.施工方法和施工机械的要求

C.当地的气候条件

D.施工人员年龄的要求

E.安全技术的要求