Answer:
Third Option:
“I just had my car keys, but now I can’t find them anywhere. Has anyone seen my keys?”
Explanation:
First, the comma separates the now from the keys statement. This allows the sentence to flow more smoothly.
Second, the ”Has anyone seen my keys?” Is a question — in which it needs to be sepearated from a statement; “...but now I can’t find them anywhere.”
D. The storm—it was the worst in years—caused several power outages. is the answer
I would probably say that the author used diction to achieve some kind of effect in the first sentence.
A. The teacher stood at the door smiling brightly and welcoming each student to her classroom on the first day of school.
The author's diction, or word choice, in this sentence portrays the teacher as a nice, kind, caring person.