---I regret _____you John has been fired．

---I can hardly believe my ears．He’s such a fine worker．

A．telling

B．having told

C．to tell

D．to have told

脏躁的临床特点有

A．多见于中青年女性

B．反复发作

C．常在情绪刺激下呈间歇性发作

D．不发作时如常人

E．缠绵难愈