單項(xiàng)選擇題

以2種濃度的質(zhì)控物對(duì)某檢驗(yàn)項(xiàng)目進(jìn)行室內(nèi)質(zhì)控時(shí),下列圖形中箭頭所指的"點(diǎn)"違背Westgard多規(guī)則質(zhì)控方法質(zhì)控規(guī)則中的()

A.41s
B.13s
C.22s
D.10Xbar
E.R4s