—Though it         in the desert most of the year, people still live there.

—That’s the case. They say east or west home is the best.

A．hasn’t rained

B．didn’t rain

C．doesn’t rain

D．hadn’t rained

综采工作面遇有坚硬突矸或黄铁矿结核时，应采取（）措施处理，严禁用采煤机强行截割。