Which of the Following Is True About Wholesaling

Which of the following is true about wholesaling?

A) Wholesaling activities must be performed during distribution of all goods, whether or not a wholesaling institution is involved.
B) Warehouses are necessary in order for the wholesaling function to be completed.
C) Only wholesaling establishments can perform wholesaling activities.
D) Wholesaling is an inefficient process that should be eliminated from the marketing channel.
E) The biggest problem with the wholesaling process is that inefficient wholesalers can thrive, at the expense of consumers.