【单选题】听力原文: We've been looking at fear from a biological perspective, and someone asked whether the tendency to be fearful is genetic. Well, some studies done with mice indicate that mammals do inherit fear...
【单选题】In a purely biological sense, fear begins with the body's system for reacting to things that can harm us-- the so-called fight-or-flight response. 'An animal that can't detect danger can't stay alive....
A.
the biological process in which human beings' sense of self-defense evolves
B.
the instinctive fear human beings feel when faced with potential danger
C.
the act of evaluating a dangerous situation and making a quick decision
D.
the elaborate mechanism in the human brain for retrieving information