大型建设工程项目的结构分析是根据编制( )的需要，将整个项目进行逐层分解。

A．总进度规划

B．总进度纲要

C．总进度目标论证

D．各子系统进度规划

The beggar has no money with which to buy food. However, no passers-by ______ him.

A．have mercy on

B．are at the mercy of

C．show mercy on

D．to be merciful to