Which of the following would cause the U.S. demand curve for traditional cow's milk to shift to theleft?

A.An increase in the price of traditional cow's milk.

B.An increasein the price cookies, which are a complement for milkin the U.S.(e.g., many children drink milk with cookies).

C.A successful advertising campaign for soy milk,convincing consumers that soy milk is healthier than traditional cow's milk.

D.An increase in the price of oat milk, a new popular alternative for cow's milk.

E.Only (A) and (D) are true.

F.Only (B) and (C) are true.

G.Only(A), (B), and (C) are true.

H.(A), (B), (C), and (D) are all true.