Robin Brothers works for a winery that sells to restaurants through distributors. She knows the types of wine her company sells and how they compare with other wines. She visits restaurant managers educating them on her products, and she writes suggested wine lists for the restaurants. When the customers ultimately decide to purchase the wine, they contact the distributor to place the order. Robin is ____

(A) A technical specialist
(B) A creative salses person
(C) A missioniairy salesperson
(D) A trade salesperson
(E) an order taker