—Shall we go out for__________walk?

—Sorry．This is not the right____________to invite me．I am too tired to walk．

A．a；moment

B．the；situation

C．a：place

D．／：chance

治疗脱疽的基本原则是：

A．温阳通脉，活血化瘀

B．疏风清热，解毒消肿

C．清热凉血，舒张血管

D．疏肝行气，软坚化瘀

E．调和营卫，疏通经络