According to the Textbook, Which of the Following Was Discussed

According to the textbook, which of the following was discussed as a biological influence for Jody's blood-injury-injection phobia?

A) an overreaction of a physiological mechanism that overcompensates for sudden increases in blood pressure leading to vasovagal syncope
B) a genetic tendency to fear situations involving blood and injury
C) a conditioned response of fear resulting from exposure to blood and injury
D) increased fear and anxiety pertaining to situations involving blood and injury