Answer:
The correct answer is D. Semicolon is always placed outside the final quotation mark.
Step-by-step explanation:
Punctuation marks are the key factor that makes a piece of writing look good and easy to understand.
According to the rules of English, a semicolon is the punctuation mark that should always remain outside the final quotation mark. Hence, D is the correct option.
Options A and B are incorrect because according to the rules of English, comma and period are always used inside of the quotation mark.
Question marks and exclamation marks can be used in both manners; whether inside or outside the quotation mark.