已知如下关系:学生Student(S#, Sname),课程Course(C#, Cname),选课SC(S#, C#, Score),其中S#为,Sname为学生姓名,C#为课号,Cname为课程名,Score为成绩。下列Select语句中,可以实现“查询既'001'号课程,又'002'号课程的学生的”的是 。 A. Select S# From SC Where C# =‘001’ AND C#=‘002’; B. Select SC1.S# From SC SC1, SC SC2 Where SC1.S# = SC2.S# and SC1.C#=‘001’ and SC2.C#=‘002'; C. Select S# From SC Where C#=‘001’ and S# in ( Select S# From SC Where C# =‘002’) ; D. Select S# From SC Where C#=‘002’ and S# in ( Select S# From SC Where C# =‘001’) ;