Both European Christians Who Risked Their Lives to Rescue Jews

Both European Christians who risked their lives to rescue Jews during the Nazi era and civil rights activists of the 1950s report that

A) they came from families who themselves had been victims of some form of social injustice.
B) they had warm, close relationships with parents who were committed to humanitarian causes.
C) their efforts were in part a reaction to having been raised in a troubled family environment in which parents and children were in frequent conflict.
D) they were firstborn or only children whose parents had taught them courage and independence.