题目

Dear Daughter, As we drove off from Columbia, I wanted to write a letter to you to tell you all that is on my mind． First, I want to tell you how proud we are．Getting into Columbia is a real testament of what a great well-rounded student you are．It is in college that you will truly discover what learning is about．I encourage you to be curious, but I also want to tell you “Education is what you have left after all that is taught is forgotten”．That is really what learning in college is about–this will be the period where you go from teacher-taught to master-inspired, after which 最早的指南仪器叫做： [　　] A．磁石B．指南针 C．指南车D．司南