驰名中外的龙门石窟被联合国教科文组织第24届世界遗产委员会列为世界遗产名录。它位于[ ]

A．陕西省

B．山西省

C．河南省

D．甘肃省

Since it is expected that Fed will cut interest rate again, there is no doubt ___the company will make the decision on raising the price of crude oil.

A．why

B．that

C．whether

D．when