In Which of the Following Is a Person Performing the Role

Multiple Choice

In which of the following is a person performing the role of a gatekeeper?

A) Dan decides on the product requirements and makes the final choice of suppliers.
B) Leo has the authority to pick out the supplier and negotiate the terms of purchase.
C) Liam heads the Tech team at LKG and provides information for evaluating the possible alternatives.
D) LKG gets many calls from potential suppliers,and it is Leah's job to weed out the good prospects and refer them to others in LKG.
E) Dana authorizes the actions of the deciders and buyers in LKG.