Which of the Following Statements About Sales Promotion Is True

Which of the following statements about sales promotion is true?

A) Sales promotion refers to the promotion activities that stimulate interest,trial,or purchase by final customers.
B) A particular sales promotion activity usually lasts for an extended time period,without any limitation.
C) Sales promotion is generally used to contrast the other promotion methods.
D) Sales promotion objectives usually focus on prompting some long-term action.
E) Sales promotion cannot be implemented quickly and gets sales results later than advertising.