A is the answer for this question
I assume your choices are either social, informal, or business? I think it's social... it's definitely not business, and it doesn't sound informal.
The answer is D.
“To indulge” can often be translated to “go along with” something, that’s option D, to be permissive instead of strict.
Answer:
Introduce the quotation with a complete sentence and a colon. ...
Use an introductory or explanatory phrase, but not a complete sentence, separated from the quotation with a comma. ...
Make the quotation a part of your own sentence without any punctuation between your own words and the words you are quoting
Explanation:
