She had great difficulty ________ the suitable food on the menu in that restaurant.

A．finding

B．find

C．found

D．to find

QC小组组长的基本职责是( )。

A．与有关领导沟通

B．选择QC小组成员

C．组织领导QC小组有效地展开活动

D．抓好QC小组的质量教育