Lucy ________ guitar lessons every three weeks in the past three years, but now she is considering she'll make it every other week.

A．is having　

B．had had

C．had　

D．has been having

依据各级各类专业技术干部岗位职责和任职条件，从（）个方面进行考核

A、德

B、能

C、勤

D、绩