About five ____ people watched the Olympic Games in 2008, and _____ of them were from

foreign countries. [ ]

A. million; two million

B. millions; two millions

C. million; two millions

D. millions; two million

包工包料的预付款应按合同约定拨付，原则上预付比例不低于合同全额的（ ），不高于合同全额的（ ）。

A．10％，20％

B．20％，30％

C．10％，30％

D．15％，25％