关于oCPC进入二阶段，eCPM计算公式正确的是
AA eCPM= Bid_点击出价*pCTR*1000
BB eCPM= Bid_转化出价*pCTR*pCVR*1000
CC eCPM= Bid_点击出价*pCTR*pCVR*1000
DD eCPM= Bid_点击出价*pCVR*1000
AA eCPM= Bid_点击出价*pCTR*1000
BB eCPM= Bid_转化出价*pCTR*pCVR*1000
CC eCPM= Bid_点击出价*pCTR*pCVR*1000
DD eCPM= Bid_点击出价*pCVR*1000