Housing Questions

So I’m a prospective student looking into UCSD and If I were to attend I would stay in the Rita Atkinson apartments as an undergraduate couple (bringing my partner with me). And I have a few questions. 1. If I decide to share my 2 bedroom apartment with someone, would it be another couple or a single student? 2. If my partner does not get into UCSD but I do, can they live with me in the Rita Atkinson apartment? 3. I am also contemplating staying in the Coast Apartments with a studio room or 1 bedroom but it says they are unfurnished. Could I pay extra for them to furnish it? 4. Is there a student lounge in the apartments where students can get together and like watch movies with people not living in the same apartment as them but in the same residence? Think that’s all for now. Thanks