If a shock is always preceded by a tone,and then sometimes also is preceded by a light that accompanies the tone,a rat will react

A) with no fear either to the tone or to the light.
B) with fear to the tone but not to the light.
C) with fear to the light but not to the tone.
D) with equally high levels of fear both to the tone and to the light.

Preceded by Tone

Describes a situation or condition that is announced, signalled, or introduced by an auditory signal or sound.

Shock

Shock is a critical medical condition resulting from inadequate blood flow to the body’s tissues and organs, leading to organ failure and potentially life-threatening outcomes.

React with Fear

To respond to a situation or stimulus with a feeling of anxiety or dread, often as a means of protection or avoidance.