---What do you think of Jack?

---He is not a bad boy. ______, he’s a pretty good one.

A．If ever

B．If busy

C．If anything

D．If possible

倾听时最容易出现的错误是（）。

A.迟迟不下结论

B.做道德或正确性的评价

C.过分重视求助者的问题

D.不好意思打断求助者的叙述