给客户电话时 建议是()

给客户电话时,建议是()

A、Time is money,get to the point

B、Ask questions and listen,fully understand your clinets

C、Follow up,email send a mail to the prospect to cover the main points of the call

D、Believe in yourself and your protessionallsm

此题为多项选择题。请帮忙给出正确答案和分析，谢谢！