If you are interested in joining the military, you can attend college a. before serving b. during service c. after service d. all of the above

all of the above.

Explanation:

A military is an acknowledged organization formally approved by a sovereign state to use mortal or killing force and weaponry to defend the consequences of the state. It typically consists of parts such as an Army, Navy, Air Force, and in particular countries the Marines and Coast Guard.

All of the above, the military actually pays for your school. Hopefully this helps and good luck!

that would be my answer.