The Unifying Theme "Psychology Evolves in a Sociohistorical Context" Is

The unifying theme "Psychology evolves in a sociohistorical context" is LEAST related to which of the following statements?

A) psychologists became interested in the study of meditation in the 1960s and 1970s
B) as a result of the growth of behaviorism, consciousness was not a primary focus of psychology in the first half of the 20th century
C) people from different cultures vary in how well they remember their dreams
D) a significant amount of psychological research is conducted concerning psychoactive drugs