Answer:
The answer is correct.
Explanation:
For letter A, they were fooling us with the apostrophe. But, her's is not a real word as I remember from school. It wouldn't be C either because If you replaced it with hers, it would not sound right and wouldn't be proper grammar. Now I am not sure why you have to answers, for it is B. Hers and D. Correct. But reading from the instructions, it would be D. Correct.
Answer: To introduce the character. To express the likening of a loved one to a nice day.
He simply opens a window for everyone to see what he sees and lets the reader make their own interpretations and judgments.