There is not one of us wishes to help you . We are doing our best . A．who B．that

 There is not one of us          wishes to help you . We are doing our best .

       A．who                    B．that                    C．as                      D．but

试题答案

A

解析:

关系副词when 引导限制性定语从句，在从句中充当状语，修饰先行词the days。