Which Statement Best Describes How Humans Engage in Critical Thinking

Which statement best describes how humans engage in critical thinking?

A) Young children are better at critical thinking than are adolescents or adults.
B) Most people are generally poor critical thinkers,but critical thinking skills can be taught.
C) Most people show evidence of critical thinking skills on a regular basis.
D) Critical thinking is an "either/or" proposition;a person either can or cannot do it.