D because it is comparing two things for clarification.
A. Familial love is more important than outward appearences
My family is kind of annoying sometimes. My 7 year old brother is OBSESSED with cars. HE has a crush on our next door neighbour. My mom is sort of a well known singer. My dad's VERY strict. And then there's our dog, Maxie. She's a pomeranian pooch.