----- The windows must have taken you quite a long time that day.

----- Right. They ______ for months.

A．haven’t been cleaned

B．didn’t clean

C．hadn’t been cleaned

D．haven’t cleaned

组织的有效形象就是能够实现（）

A、企业领导的形象

B、组织利益的形象

C、公众利益的形象

D、组织和公众利益相统一的形象