河水中的有机酸能保护胶体进行远距离迁移。()

A. he doesn"t think we are really getting a cheaper deal
B. he thinks we are manipulated to eat more fast food
C. he thinks that the fast food restaurants shouldn"t earn so much
D. he thinks the industry is deceiving the public about the real costs of supersizing

A. they enjoy eating more
B. there is less packaging
C. it allows the fast food restaurant to make more profits
D. the added amount seems like a bargain