All school buses in the northwestern provinces    with satellite positioning devices next year.

A．fitted

B．will be fitted

C．have been fitted

D．are fitted

IMF向会员国发放信贷的规模与（）成正比。

A.会员国所缴份额

B.会员国对资金需要的规模

C.会员国的贫穷程度

D.会员国外汇储备缺少的程度