查询选修了课程号为“C2”的学生号和姓名，若用下列SQL的SELECT语句表达时，哪一个是错误的
A．SELECT S.S#，SNAME FROM S WHERE S.S#
=(SELECT SC.S#FROM SC WHERE C#=‘C2’
B．SELECT S.S#，SNAME FROM S，SC
WHERE S.S#=SC.S# AND C#=‘C2’)
C．SELECT S.S#，SNAME FROM S，SC
WHERE S.S#=SC.S# AND C#=‘C2 ORDER BY S.S#
D．SELECT S.S#，SNAME FROM S WHERE S.S#
IN(SELECT SC.S# FORM SC WHERE C#=‘C2’)