单选题
The sentence "Some people do nothing but break the whole program" may tell us that ______. [A] radio stations use hotlines in a wrong way [B] it is a fact [C] it is a good idea
【正确答案】
B
【答案解析】[解析] 原文的第二段明显表示出“这是个事实”：“Yet，the fact is， some people do nothing but break the whole program．”