问题
选择题
He is ______ is known as a hacker ---- he likes to show off on the Internet and attack websites.
A．who
B．what
C．that
D．which
答案
答案：B
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He is ______ is known as a hacker ---- he likes to show off on the Internet and attack websites.
A．who
B．what
C．that
D．which
答案：B