all of the following are typical traits of liberal arts colleges excepta).they are mostly publicb) they focus on undergraduate studiesc) they have a high teacher to student ratiod) they provide interactive instruction.

C is the correct answer. Typical traits of liberal arts colleges have a small teacher-to-student ratio. The entire student body is originally small, normally ranging from 700 to 2500. Each class generally has 12 to 30 students in a classroom. They find a smaller setting benefits them in a large way. 

  the correct answer is : binding price ceilings encourage the formation of a black market