27.
Read the following information carefully and answer the question that’s given below.
A medical representative plans to visit each of six hospitals A, B, C, D, E, and F exactly once during the course of one day. He is setting up his schedule for the day according to the following conditions:
i. He must visit B before D.
ii. He must visit A before B and E.
iii. The third hospital he visits must be C.
Which of the following must be true of the medical representative’s schedule?
