8. 要查询book表中所有书名中包含“计算机”的书籍情况，可用（）语句。
A. SELECT * FROM book WHERE book_name LIKE ‘计算机*’
B. SELECT * FROM book WHERE book_name LIKE ‘计算机%’
C. SELECT * FROM book WHERE book_name ！=‘计算机*’
D. SELECT * FROM book WHERE book_name ！=‘计算机%’
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