The behavioral $($or human resource$)$ approach to management basically assumes that

A$)$ Management problems are best solved by qualitative rather than by quantitative analysis.

B$)$ Environmental reinforcements have little to do with people's work behavior.

C$)$ People are completely rational and responsive to economic incentives.

D$)$ People at work will seek satisfying social relationships, respond to group pressures, and search for personal fulfillment.

E$)$ People are easily understandable creatures.