please Choose all correct statements.

A. Demand curve represents the willingness to accept of buyers.

B. Supply curve represents the willingness to accept of sellers.

C. In a market of identical products where there are many sellers and many buyers, competition eliminates bargaining power in both supply and demand sides.

D. In a market of identical products where there are many sellers and many buyers, sellers are price-setters whereas buyers are price-takers.

I need to select one:

a.A, B, C, D

b.B, C, D

c.A, B, C

d.B, D

e.B, C