—Do you still work in the factory ________ is friendly to you?

—_______, it is two years since I worked there.

A．whose manager; Yes

B．the manager of which; Yes

C．of which the manager; No

D．which manager ;No

ITSS是以下哪一个选项的简称？（）

A.IT服务管理

BIT服务标准

C.IT服务体系

D.lT服务产品