单项选择题

推广数据如下:消费2500,CPM=312.5,CTR=6.25%,40人在线咨询,其中8人完成转化,请统计账户转化率、转化成本分别是多少?()

A.1%,1000
B.1.60%,312.5
C.1.60%,31.25
D.1%,100