A . 当注入率不大于0.4L/min时,继续灌注60min
B . 当注入率不大于0.4L/min时,继续灌注90min
C . 当注入率不大于1L/min时,继续灌注60min
D . 当注入率不大于1L/min时,继续灌注90min
E . 当注入率在0.4~1L/min之间时,继续灌注60min