Critical thinking requires you to:

A) Accept the simple answer and not make it complicated.
B)tolerate uncertainty, even if you fell pressure to come up with an answer.
C)decide it is either this or that and don't get hung up on dreaming.
D) trust the accuracy of your instincts.

I chose C, Am I right?

I would agree. It involves critical seeking of evidence to test assumptions or hypotheses, to prove them right or wrong.