Teacher Chen informed everyone in class today that students need to bring brushes and ink to the calligraphy class in the first class tomorrow morning.

A, the first class is the third class, and the third floor is as high as the fourth floor, which does not meet the meaning of the question; B, first class to the third floor, higher; The second floor of Class Two, the next floor; Class three goes to the fourth floor, the highest; Go to the first floor in the fourth class and return to the starting point; Conform to the meaning of the question; C class two is higher on the second floor than class one is on the third floor, which does not meet the question; Therefore, choose: B.