Passage: How to Keep FitWhat is the story about?（ ）
A、The conflict between work and health.
B、The conflict between study and health.
C、The conflict between genetics and health.
D、The conflict between illness and health.
【正确答案】：A
【题目解析】：《如何保持健康》这篇课文讲述的工作和健康之间的冲突。B选项“学习与健康”，C选项“遗传与健康”，D选项“疾病与健康”均不符合题干要求，故选A选项。