Lieutenant is not a part of the main clause, and it is an address to a person that is inserted into the sentence. It must be therefore separated by comas on both sides: the correct answer is a.
He is an American playwright, screenwriter, and theatre and film director
I think it would be the answer a
Answer:
What are the 3 types of special events?
Local Special Event.
Emerging Special Event.
Expanding Special Event.
High-Impact Special Event.
Explanation: