Housing question

My son does NOT want North Campus. Understand that housing assignments are random and he will apply for theme community as well as designating North Campus as second preference. Trying to decipher the choices on rooms to see if there is a way to increase odds of getting on Central or Hills. On the housing application you then have to rank your room type preference. By selecting at least 2 of the groups below:
A. Single

B. Two room triple with private bath
Two room quad with private bath

C. Baits II Two room double with shared bath
Baits II double with shared bath
Oxford two room quad

D. Triple
Fletcher two room triple.

So obviously group C has Baits. Any insight into where the majority of the other groups may be located?