All these gifts must be mailed immediately _____ in time for Christmas. [ ]

A. in order to have received

B. in order to receive

C. so as to be received

D. so as to be receiving

咨询用户的信息需求的共同心理有：

a、咨询用户的信息价值心理；

b、咨询用户的求便心理；

c、咨询用户的求全心理；

d、咨询用户的求新心理。

下列正确的是：（）

A.abc

B.bcd

C.acd

D.abcd