When Jack and Fred, Members of the Same Team, Completed

Multiple Choice

When Jack and Fred, members of the same team, completed five years at their company, they received separate congratulations letters from their manager. When Jack and Fred compared their letters, they observed that apart from the date, inside address, and salutation, the bodies of the letters were identical. From this scenario, it can be concluded that the letters sent to Jack and Fred were _____.

A) form letters without variables
B) adjustment letters
C) collection letters
D) form letters with variables