Rather than ________ abroad with her parents, she preferred __________ volunteer work during the holiday.

A．to travel; to do

B．travelling; doing

C．travel; to do

D．to travel; doing

26岁，初产妇，身高160cm，39周妊娠。估计胎儿体重3300g，规律宫缩12h。 * * 检查：宫口开大5cm已1h，先露0，大囟在3点，小囟在9点，矢状缝向后靠近骶岬，盆腔后部空虚。该病例的诊断应是（）

A.右枕横位，后不均倾

B.左枕横位，后不均倾

C.右枕横位，前不均倾

D.左枕横位，前不均倾

E.右枕横位，均倾入盆