—What were you doing when Tony phoned you?

—I had just finished my work and _______ to take a shower.

A．had started

B．started

C．have started

D．was starting

下列哪项不符合持续性枕后位的临床表现（）

A.临产后胎头俯屈不良

B.常导致协调性宫缩乏力

C.宫口未开时即有排便感

D.容易导致宫颈水肿

E.胎头矢状缝位于骨盆前后径上