The Accompanying Figure Depicts a Generalized Downward-Sloping Market Demand (D)

The accompanying figure depicts a generalized downward-sloping market demand (D) curve for a product. It also shows the firm's relevant marginal revenue (MR) curve and marginal cost (MC) curve. Refer to this figure to answer the questions.
-If the firm can perfectly price discriminate, which area(s) are designated as deadweight loss?

A) A
B) B
C) C
D) A + B
E) There is no deadweight loss.