— ________.   —OK, but I don't have a baseball. [ ]

A. Do you like baseball？

B. Let's play baseball. 

C. Do you have a baseball?

D. Let's watch TV.

某城市远期规划常住人口200万人，推测人均出行次数可达3次，乘车率为70％，步行率为30％，在乘车次数中，公共交通的分担率占50％，则公共交通承担常住人口全年客运出行人次为（）万人次。

A.32850

B.76650

C.210

D.153300