下列价值工程一般工作程序的具体工作步骤中，不属于创新阶段工作步骤的是( )。

A．方案创新

B．方案评价

C．成果鉴定

D．提案编写

She _______ his number in the phone book to make sure that she had got it right.

A．looked up

B．looked for

C．picked out

D．picked up