问题：
________trees have been planted near here, so the air is very fresh.
[ ]
A. Two hundreds
B. Hundred of
C. Hundreds of
D. Hundreds
________trees have been planted near here, so the air is very fresh.
B. Hundred of
C. Hundreds of
D. Hundreds
[ ]
A. Two hundreds B. Hundred of
C. Hundreds of
D. Hundreds
参考答案：