下列选项中,可以正确配置classpath的命令是( )
A.set classpath =C:\Program Files\Java\jdk1.7.0_15\bin B.set classpath : C:\Program Files\Java\jdk1.7.0_15\bin C.classpath set =C:\Program Files\Java\jdk1.7.0_15\bin D.classpath set : C:\Program Files\Java\jdk1.7.0_15\bin正确答案A