Answer:
The first one is correct.
Explanation:
second one doesn't need a period at the end since the quotation marks already cover for it
third one period needs to be inside the quotation marks
fourth one needs a question mark at the end of the sentence.
<em><u>she was a tall girl, slender and graceful.</u></em>
<span> c. Ruff is non-confrontational and Buddy is non-confrontational.</span>