听力原文：M: I was surprised to see Ed in the job center today. Do you think he's unhappy over admissions？ He's about the best worker they have over there.
W: I know, but I hear that his boss's never said a thing to him to acknowledge that. And how would you feel if you'd been there five years and still had the same salary？
Q: What does the woman imply about Ed's former boss？
(19)

A. The boss was very considerate to his workers.
B. Ed wasn't as good a worker as the boss thought.
C. The boss had planned to give Ed a raise in salary.
D. The boss has never considered raising the workers salary.