I have foreign stampsof them are from the USA.A. hundred; Three hundredsB. hundred; Th

问题补充：

I have foreign stamps. of them are from the USA.

A. hundred; Three hundreds

B. hundred; Three hundred

C. hundreds of; Three hundred

D. hundreds; Three hundreds

答案：

解析：句意：我有数百张外国邮票。其中有三百张来自美国。hundreds of, 数百，模糊数字。three hundred, 三百，具体数字。模糊数字两有（s，of），具体数字两无。故选C。