46. What is the main idea?
(A) It takes a lot of time to add content to a blog.
(B) Celebrities keep in touch with fans through blogs.
(C) Blogs have become a popular type of website.
(D) Comments from blog readers lead to conversations.
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統計: A(1), B(8), C(233), D(8), E(0) #1598337
統計: A(1), B(8), C(233), D(8), E(0) #1598337