Can someone tell me if the answer that I am choosing are right please

I choose D AND C

When decision makers face incentives that make it difficult to achieve mutually beneficial outcomes, we say they are in a(n)_____ dilemma.

a.oligopoly

b.monopoly

c.competitive

d.prisoner’s

The use of farm machinery to plant and harvest crops has increased because it is more productive than the typical farmhand; therefore, the demand for farmhands has

A.remained the same

B.increased

C.decreased

D.fallen to zero