Which of the Following Statements Is True of the Biological

Which of the following statements is true of the biological views that explain the origins of anxiety disorders?

A) Fraternal twins are much more likely to have similar anxiety disorders than identical twins.
B) Humans are not genetically predisposed to fear stimuli that may have posed a threat to their ancestors.
C) People's appraisals of the magnitude of threats help determine whether they are traumatic and can lead to post-traumatic stress disorder.
D) A predisposition toward anxiety, in the form of a highly reactive autonomic nervous system, can be inherited.