Which of the Following Statements Regarding Telemarketing Is Most Accurate

Which of the following statements regarding telemarketing is most accurate?

A) Shopping bots are computers that place automated telemarketing calls.
B) Direct mail is typically viewed as more efficient than telemarketing.
C) Telemarketing has declined in popularity as companies have searched for ways to decrease costs.
D) As the use of telemarketing grows, industry standards for telemarketing have become a greater concern.
E) Telemarketing is more of a consumer nuisance than a consumer benefit.