Complimentary close （）。

Complimentary close （）。
A.is also known as “complimentary closing”
B.is the term prior to your signature in a formal letter or email message
C.shows your respect and appreciation for the receiver
D.should be followed with a comma
正确答案：is also known as “complimentary closing”； is the term prior to your signature in a formal letter or email message； shows your respect and appreciation for the receiver； should be followed with a comma