Which Two "Family" Factors Interact to Determine the Amount of Parental

Which two "family" factors interact to determine the amount of parental care that female prairie voles give to their young?

A) temperature and whether the individual was raised by a single parent vs. both parents
B) the amount of parental care received during development and whether the individual was raised by a single parent vs. both parents
C) temperature and the amount of parental care received during development
D) the level of aggression between young voles and whether the individual was raised by a single parent vs. both parents
E) temperature and the level of aggression between young voles