— She should not have done that sort of thing.

— Whatever she did was reasonable, ________to whatyou have done.Besides, it's none of your

      business.Get down to________your lessons. [ ]

A. compared;doing

B. comparing;doing

C. compared;do

D. comparing;do

在人类和其他有胎盘的哺乳类动物中，下丘脑是体温调节的中枢。人类体温调定点为36.7℃。下丘脑对机体的体核温度（机体深部温度）和皮肤感受器的神经冲动作出直接反应，通过一系列调节来维持正常的代谢活动，当下丘脑检测到体温恢复正常后，关闭调节机制（负反馈）。下列各项是体内温度调节方面的生理过程：

在极端寒冷条件下，（）分泌增加，增强代谢率和肝脏能量释放。