To Make One's Application Letter Professional,one Should

Multiple Choice

To make one's application letter professional,one should:

A) refrain from using contractions,sentence fragments,clichés,or slang.
B) avoid addressing one's cover letter to a specific person or to Human Resources.
C) avoid using contact names to gain an unfair advantage in one's cover letter.
D) refrain from referring to any previous job experiences,and just focus on the future.