A．They only have effect on real patients. B．They are more or less effective for most people. C．They are the best methods ever found. D．They are far less helpful than sitting quietly.
A.They B. B．They C. C．They D. D．They E.
【参考答案】
B 解析：推断题。结尾处speaker指出：一旦你知道这些方法，就总会找到适合自己的锻炼方法：而且这些方法在身体......