要查询book表中所有书名以“电子商务”开头的书籍作者，可用______语句。
A.SELECT author FROM book WHERE book_name='电子商务*'
B.SELECT author FROM book WHERE book_name LIKE'电子商务*'
C.SELECT author FROM book WHERE book_name='电子商务%'
D.SELECT author FROM book WHERE book_name LIKE'电子商务%'
正确答案是D