how do markets keep producers from increasing price?

Question

Higher princes cause demand shifts

Higher prices cause supply shifts

Higher prices decrease quantity sold

Higher prices decrease consumer demand

Answer 1

And your answer is??

Answer 2

I don't agree.

What does your text say?

Answer 3

Ms. Sue I think the answer is C. Am I right?

Answer 4

I just took it and the answers are
D
D
C
Have a good day!