-- How did you manage to get such a nice old painting?

---Quite _______.

A．by accidents

B．by a chance

C．by accident

D．by incident

詹姆斯·库塞基和贝瑞·伯纳斯认为，排在前四位的领导品质是（）

A.诚实

B.有远见

C.鼓舞人心

D.决断力强

E.敢于承担责任