What Is the Appropriate Procedure for Addressing a Cover Letter

Multiple Choice

What is the appropriate procedure for addressing a cover letter when the applicant is unsure of the name and title of the person to whom the letter should be addressed?

A) "To Whom It May Concern"
B) "Nurse Recruiter"
C) Call the facility to inquire about the name and title of the person.
D) Leave the salutation blank if the name and the title are unknown.