用sort的相关短语完成句子。

1. She was tired and                             by the time she arrived home.

2. There are                             jobs you could do.

3. I have                   understood what you said.

4. Your room is in a mess. It needs                    .

人工开挖基坑时，应自上而下进行开挖，不得采用掏空倒挖的施工方法。不同深度的相邻基础应按（）的施工顺序进行。

A.先浅后深

B.先深后浅

C.先大后小

D.先小后大