Which of the Following Describes a Reason to Insert an IF

Multiple Choice

Which of the following describes a reason to insert an IF field in a mail merge document?

A) The author needs to be prompted to fill-in text in a mail merge field.
B) The author needs to include a greeting line in a mail merge document.
C) The author needs to include text in a mail merge document under certain conditions.
D) The author needs to include an address line in a mail merge document.