Which of the Following Is NOT True of Staple Merchandise

Which of the following is NOT true of staple merchandise categories?

A) They consist of items which are in continuous demand over an extended time period.
B) The number of new product introductions in these categories is limited.
C) The demand for these categories is predictable.
D) Because their sales are relatively steady from day-to-day,periodic inventory system is used.
E) Merchandise planning systems for these categories focus on continuous replenishment.