Choose the closest paraphrased version after the following sentence or the italicized part.
Courtesy is often nothing more than a highly developed sense of fair play.（ ）
A、
Courtesy is not a highly developed sense of fair play.
B、
Courtesy is more than a highly developed sense of fair play.
C、
Courtesy is just a highly developed sense of fair play.
D、
Courtesy is more important than fair play.
【正确答案】：C
【题目解析】：
本题考查的是对《礼貌-通往幸福世界的关键》原句的含义理解。
句意：文明举止往往只不过是高层次的公平意识。nothing more than意为“只不过是，仅仅是”。 A选项“not不是”，与原文不符。B选项“more than不仅仅是”，与原文不符。C选项符合句意。D选项没说比公平更重要。故选择C选项。