单项选择题
A.select sid student into student；B.select sid，name where student；C.select from tb where column is sid name；D.select sid，name from student；
A.1.1B.0.8C.0.9D.1
A.jdk的安装路径B.jdk中各个程序的路径C.jdk的启动文件路径D.java各个类的路径