Answer :
I either think its between B or C.I rather would choose C.hope this helps.:)
The correct salutation is given in option (B): "Dear Dr. Jefferson:" as it denotes a formal tone by using "colon."
How is salutation punctuated?
"After the salutation, a punctuation mark is used."
In a personal letter, use a comma; in a business letter, use a colon; and in an email, use either punctuation mark. (The colon is a formal punctuation mark.)
But keep in mind that the word "dear" isn't necessary for email, even if you're writing to a stranger.
A salutation often consists of two parts: a greeting or an adjective, and the name or title of the person to whom you're writing.
The salutation in the previous example is made up of an adjective and a name, with no comma between them. A comma should, however, be used to separate a straight greeting from a person's name.
Check out the link below to learn more about salutation punctuation;
https://brainly.com/question/2548413
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