NOT A TEACHER
1. D is the correct answer. See also individual - Definition from Longman English Dictionary Online, #2. "Individual" and "attention" are very commonly used together in this context.
2. B is the correct answer. Yes, the the word "computer" suggests that they have developped a multimedia approach to teaching. A multimedia approach to teaching would involve computers and computer programmes. "Multilateral" doesn't make much sense because it doesn't say anything about the computer.2 [ only before noun ] belonging to or intended for one person rather than a group : Children get more individual attention in small classes.
You can have the bathroom designed to suit your individual needs .
individual portions of jam