The answer is B. <span>"Mr. Simpson," I inquired, "are you in charge of organizing the surprise party?"
There needs to be a punctuation mark after "Mr. Simpson" and "I inquired", which are not there in the other answer choices.
Hope this helps! :D</span>
True. They are the specific people you are marketing your product to.
お誕生日おめでとうございます ... (name)
<span>Otanjoubi omedetou gozaiasu ... (name)</span>