—What were you doing when I phoned you last night?

—I      my painting and was starting to take a bath.

A．have already finished

B．was finishing

C．had just finished

D．was going to finish

下列是对质量手册和质量计划的理解，其中错误的是( )。

A．质量计划应与质量手册保持—致

B．质量手册的内容应涉及产品实现全过程

C．质量计划可以引用质量手册的内容

D．编制质量手册的同时应编制质量计划