The type of sentence given above is an example of a compound sentence. A compound sentence consists of two independent clauses. These independent clauses can either be separated by a comma and coordinating conjunction or a semicolon. The independent clauses above are separated by a semicolon. The independent clauses are, Pride is a powerful factor in an individual's behavior and it can also be the downfall of that individual.
The correct answer is:
C. Doesn't she want a straw for her drink?
To correct answer choice A, it would be:
<span>Hasn't he heard about the panda cub?
</span>
To correct answer choice B, it would be:
<span>Wasn't she studying Spanish last year?</span>
I believe this to be very true.
As I read other peoples work, I tend to see how they see and think differently than I do. It's very interesting, actually.