Abraham Maslow Recalled That His Own Early Life

Abraham Maslow recalled that his own early life

A) was full of obstacles to be overcome, which made him particularly receptive to the ideas of Alfred Adler.
B) was generally happy and secure, so he could easily pursue the "higher" needs from his hierarchy.
C) was characterized by strong sibling rivalry, which made him receptive to psychoanalytic theory.
D) was quite unhappy, leading him to wonder where his mature, "positive psychology" ever came from.