C
The layouts of supermarkets are not accidental: they are part of a plan designed to make customers walk all the way to the back of the store just to pick up a loaf of bread, passing tempting displays the whole way. But supermarkets can alienate customers by placing popular items in the rear; surveys list inconvenience as shoppers' top reason for disliking supermarkets. Which one of the following propositions does the passage most precisely illustrate?
A: Even well-thought-out plans can fail.
B: Distracting customers is not good for business.
C: Manipulation of people can have unwelcome consequences.
D: Alienation of customers is not good for business.