Which of the Following Statements Describes a Good Rule to Follow

Which of the following statements describes a good rule to follow if you wish to offer quality service on the Internet?

A) Searching, browsing, checking out, returning items, and getting assistance from a live person must be easy.
B) Remember customers buy your service; they do not buy solutions to their problems.
C) Make it difficult to return unwanted items so as to reduce overhead costs.
D) A lot of hyperlinks must be provided on almost all content across the site, enabling consumers to browse through advertisements.