47 Who earn more in most cases according to the passage?
(A) Those who serve the customers.
(B) Those who cook the meals.
(C) Those who supply the food.
(D) Those who clean the floor.
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統計: A(67), B(14), C(8), D(3), E(0) #3269163
統計: A(67), B(14), C(8), D(3), E(0) #3269163