---How are you getting along with your classmates?

---Very well. They are all _________ me.

A. afraid of            B. angry with           C. friendly to

心悸的临床症状特点为（）

A.左胸部发作性憋闷和疼痛

B.发作性心慌不安，不能自主

C.伴气短、眩晕、胸闷

D.心痛彻背

E.手足青冷至节