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问题描述:

[单选] 一个用户user(表),有id(自增,主键)、name(字符型)、password(字符型)、sex(字符型)、age(整型)四个字段的信息,现在新增一条用户数据为:(lily、1234、M、,其sql语句正确的是()
A.A INSERT INTO user VALUES ("lily","1234","M",20) B.B INSERT INTO user (id,name,password,sex,age) VALUES (null,"lily","1234","M",20) C.C INSERT INTO user (id,name,password,sex,age) VALUES ("lily","1234",M",20) D.D INSERT INTO user (name,password,sex,age) VALUES ("lily","1234","M",20)
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