Why Does Article 2 Hold Merchants to a Higher Standard

Why does Article 2 hold merchants to a higher standard than nonmerchants?

A) Because buyers tend to place more reliance on merchants.
B) Because merchants are not required to observe reasonable commercial standards of fair dealing.
C) Because the Code gives more weightage to technical requirements such as consideration.
D) Because the Code does not recognize the concept of an unconscionable contract between a merchant and a buyer.