Answer:
okay
but will you upload you question please?
Answer:
My sister <em><u>is</u></em> a teacher. She <em><u>isn't</u></em> a student.
(mistake in question Its She when sister is used)
The answer is A, because the protagonist is the main character, and that's what Rider is. The other answers don't really make sense in terms of the role he plays in the story.
Hope I helped!
The answer is B) He makes every effort to solve the case.
