The correct answer is True.
It is true that critical thinking is important for evaluating which parts of advertisements are true and can be believed.
When an individual analyzes information objectively, uses the reason to understand something, applies logic to get information right, we say he/she is using critical thinking. This person does not believe the first thing it hears. To the contrary, he/she researches to check if its true or not. So yes, critical thinking is important for evaluating which parts of advertisements are true and can be believed.
