HELP PLSSSS ANSWER QUICKLYYY

Which statement would most likely explain why the results of one new experiment did not support an accepted hypothesis?

a.There was a flaw in the experiment’s design or errors when it was conducted.
b.Two different theories about the subject are both true at the same time.
c.The hypothesis was false, and scientists should replace it with a new one.
d.The question that originally inspired the hypothesis was not fit for scientific inquiry.