Question ID:PT21 S1 Q4 Passage:Seven students—fourth-year students Kim and Lee; third-year students Pat and Robin; and second-year students Sandy, Terry, and Val—and only those seven, are being assigned to rooms of equal size in a dormitory. Each room assigned must have either one, or two, or three students assigned to it, and will accordingly be called either a single, or a double, or a triple. The seven students are assigned to rooms in accordance with the following conditions:No fourth-year student can be assigned to a triple.No second-year student can be assigned to a single.Lee and Robin must not share the same room.Kim and Pat must share the same room. Stem:If Robin is assigned to a triple, which one of the following must be true? Correct Answer Choice:CChoice A:Lee is assigned to a single. Choice B:Two second-year students share a double with each other. Choice C:None of the rooms assigned to the students is a single. Choice D:Two of the rooms assigned to the students are singles. Choice E:Three of the rooms assigned to the students are singles.