Regarding Whether Gender Identity Is Biologically Determined or Learned, Which

Regarding whether gender identity is biologically determined or learned, which of the following statements is FALSE?

A) In animals, clear links exist between prenatal hormones and male or female behaviors.
B) In humans, abnormal levels of prenatal androgens and estrogens can strongly influence the development of the body, nervous system, and later behavior patterns, such as sexual preference.
C) Slight variations in the levels of sex hormones may, less dramatically, "sex-type" the brains of most of us before birth, altering our chances of developing feminine or masculine traits.
D) Most human sex-linked behaviors are influenced much more by biological factors than by learning.