________, the Internet was only used by the government. But now it’s widely used in every field.
A．As usualB．At firstC．After allD．So far
B
A. As usual 通常  B. At first 起初  C. After all 畢竟   D. So far到目前為止，從But now it’s widely used in every field.（但是現(xiàn)在被廣泛用在每一個(gè)領(lǐng)域）可知，前面應(yīng)該選起初，因此選B。
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