阅读理解：根据上下文，补全对话内容。
操作提示：通过下拉选项框，选择答案。

A. Oh, amazing!
B. Yeah, right. Why
C. Have you tried Yahoo
D. you have lots of alternative search engines.
E. you can browse the Internet instead of going to the library.

Molly: Zhang, you are going to the library, right
Zhang Hua:1
Molly: Why not comfortably stay at home to log onto the Web
Zhang Hua: I need to look for some papers to add to my research report.
Molly: Well, 2
Zhang Hua: I tried Baidu for that, but didn.t find the ones I need. I need some English papers, actually.
Molly: 3
Zhang Hua: Yahoo No, but in my eyes, all search engines are quite similar.
Molly: You are right. But Baidu is good for Chinese searches, while Yahoo is better for searching data in English.
Zhang Hua: 4 Never thought of that.4
Molly: That.s too bad. In fact, 5 . Bing, AOL, Ask, Lycos, Sogou and even Yandex, to name a few.__4__(完形填空)
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