公司采购的是非标准产品时，应该重点考虑供应商（）因素。

A、能力方面

B、积极性方面

C、质量

D、服务

—Never ________ in line to get on a bus.      

—Is it not until you mention me ________ I know it?[ ]

A. forget to wait; while

B. forget waiting; which

C. forget waiting; that

D. forget to wait; that