Question: (57 to 60) An advertising executive must schedule the advertising during a particular television show. Seven different consecutive time slots are available for advertisements during a commercial break, and are numbered one through seven in the order that they will be aired. Seven different advertisements –B,C,D,F,H,J and K- must be aired during the show. Only one advertisement can occupy each time slot. The assignment of the advertisement to the slots is subject to the following restrictions: * B and D must occupy consecutive time slot. * B must be aired during an earlier time slots than K. * D must be aired during a later time slot than H. * If H does not occupy the fourth time slot, then F must occupy the fourth time slot. * K and J cannot occupy consecutively numbered time slots (Q-58):  If advertisement B is assigned to the third time slot, then which of the following must be true?