—Would you please help me with my drawing?

—_____. You can come to my workroom every Saturday.

A．That’s all right

B．No problem

C．No, thanks

D．Quite well

致力于满足质量要求的一系列相关活动是( )。

A．质量计划

B．质量监督

C．质量控制

D．质量目标