All Things Being Equal,in a Divorced Family,which Man Is MOST

All things being equal,in a divorced family,which man is MOST apt to be close with his teenaged children?

A) Denis,a stepdad who has lived with the kids since they were little
B) Huberto,a biological father,who sees his kids several times a month
C) Badru,who takes the kids' side in arguments with his former wife
D) Wafor,who has stepdaughters rather than stepsons