The Greens went to Qinghai to visit some friends, and spent the ______ days at the seaside

The Greens went to Qinghai to visit some friends, and spent the ______ days at the seaside.

A．few sunny last

B．last sunny few

C．last few sunny

D．few last sunny

请帮忙给出正确答案和分析，谢谢！