114.护士准备按医嘱给患者注射西地兰0.1mg 西地兰针剂的剂型是0.4mg/2ml。护士应该注

114.护士准备按医嘱给患者注射西地兰0.1mg，西地兰针剂的剂型是0.4mg/2ml。护士应该注射的毫升数是

A.0.1ml

B.0.2ml

C.0.3ml

D.0.4ml

E.0.5ml