47. What is the merit of mushrooms according to this passage?
(A) They can replace red meat because of their meaty flavor and glutathione.
(B) The mushroom-enhanced products help to prevent a number of diseases.
(C) They contain potassium, phytochemicals, antioxidants, and beta-glucan.
(D) They are low in calories and sodium, but high in fiber and saturated fat.