The boss showed his of Tom's hard work in the pany by raising his pay to $ 5,000 a month.
A. distinction
B. promotion
C. appreciation
D. reservation
网友回答
A. distinction
B. promotion
(答案→)C. appreciation
D. reservation
解析：选C 考查名词辨析。句意：老板通过将汤姆的月薪提升至5 000美元来表示对他努力工作的赏识。appreciation意为“欣赏，赏识”，符合句意。