Answer: a. panic.
Explanation:
Panic can be defined as the strong feeling of anxiety and fear. It makes one act without thinking properly. Panic attack may occur to a single person or to a mass like due to terrorism. A panic situation occurs when someone tries to develop threat, or a person commits a mistake, or one experience some kind of loss either money or something else. The actions of a person becomes uncontrollable, uncoordinated and immediate. Certain physical features can be observed during panic attack like tremors in hands, uncontrolled speech, restlessness, deep breathing and others.
