
Passage: One theater plans to present seven plays over seven weeks in the fall. They are F, G., J, K, O, R, S. There is one play a week, and each play runs exactly one week. The repertory must meet the following conditions :(1) G must be performed in the third week. (2) O and S cannot be performed continuously. (3) K must be staged before J and S. (4) F and J must be scheduled to perform in two consecutive weeks.
Question: For any acceptable arrangement, which of the followings must be true?
A. A.F is scheduled for a week after K
B. B.G happens to be scheduled the week before O
C. C.J is scheduled for the first week
D. D.R is scheduled for week 2 or 7
Answer: