问题补充：
. It is important to know exactly the message and .
A. you want to send it to people; that you try to get them to do
B. sent to people; what do they want to do
C. you want to send; which you want people to know
D. you want to send to people; what you are trying to get them to do
答案：
A. you want to send it to people; that you try to get them to do
B. sent to people; what do they want to do
C. you want to send; which you want people to know
(答案→)D. you want to send to people; what you are trying to get them to do
解析：可联系答.案.网客服索取。
