.He has __________________ the surroundings & now he is getting well on with his classmates;______________,he is treated as a normal student in the school.

A．adjusted to ,at all

B．adapted to,all in all

C．fitted ,after all

D．suitable for,in all

电气控制设计任务书中，除简要说明所设计任务的用途、______、动作要求、传动参数、工作条件外，还要说明主要经济指标及要求。