Answer:
D. The course altered Gary's concept of psychological disorder
Explanation:
branch of psychology concerned with mental processes (as perception, thinking, learning, and memory) especially with respect to the internal events occurring between sensory stimulation and the overt expression of behavior. So based on the question from a congnitive psychologist view of point, Gary expectations were dashed after the course hence leading to an internal reaction that changes his perception of psycological disorder.
I believe the answer would be C. (Along China's east coast due to the fertile soil found along the Yellow River and the Yangtzi River)
An exploited class can revolt, it could cost lives, but i think there is no other way
D. When they finished their task