题目内容：
Which of the following statements is not directly said but implied in the passage?
A．All the campaigns are to improve people's behavior. B．There are too many campaigns in Singapore.
C．The more campaigns, the more efficient they are.
D．Almost all campaigns in Singapore don't amount to anything. "
参考答案：【答案仅供学习，请勿对照自行用药等】
答案解析：