Which of the following is the best way to write a salutation in a cover letter addressed to mr. ravi patel, human resources manager, abc company?
a. dear sir:

b. to whom it may concern:

c. dear mr. patel:

d. gentlemen:

just took the test;

argument: "it's time to wage a war against britain to secure american freedom."

claims: "america has tried every peaceful method available for seperating from england" & "the americans' petitions to the king have been turned away by him."

is this multiple choice?