Teri lives d miles from school. Joel lives 1 mile more than 3 times the distance from school Teri lives. Joel lives 7 mile from school. Which equation can Joel use to show an equality between two different ways of expressing the distance he lives from school?

A. 3d + 1 = 7
B. 3d – 1 = 7
C. d/3 + 1=7
D. d/3 - 1=7