---- Would you like to go travelling with me to New York, Benjamin?

---- Sorry, I’m busy, for the final examination is coming. So I ____________ hard throughout the next several weeks.

A．have worked

B．have been working

C．work

D．will be working

对于青春期功血的治疗不当的是

A．调整月经周期

B．促进排卵

C．止血纠正贫血

D．雌孕激素合并疗法

E．迅速刮宫止血