the website of Entertainment in Baidu, and you will learn that the Korean singer PSY has released a new song named Gentleman.
A. Having searched
B. To search
C. Searching
D. Search
网友回答
A. Having searched
B. To search
C. Searching
(答案→)D. Search
解析：考查固定句式。本题中含有特殊句式：祈使句+连词+陈述句=If引导的条件句+主句。这个句型进一步转换成：名词短语+连词+陈述句。如果原句中的连词是and,那么可以转换成一个肯定的条件句；如果原句中的连词是or，可以转换成一个否定的祈使句。
相当于If you search the website of Entertainment in Baidu, you will learn that the Korean singer PSY has released a new song named Gentleman.故D正确。