单选题 A good advertiser has a few tricks up his sleeve and knows how to use a simple technique called propaganda. 的答案

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题目内容：
A good advertiser has a few tricks up his sleeve and knows how to use a simple technique called propaganda.
题目选项

出色的广告商自有锦囊妙计，他们知道怎样使用一种简单的技巧——宣传。

优秀的广告商袖子很长，他们知道怎样使用一种简单的技巧——宣传。