Frustration is an example of an internal trigger. Thus, the correct option is D.
What is an internal trigger?
An internal trigger may be defined as such feelings and emotions that an individual possesses before or during the consumption of alcohol or any kind of drug.
Various types of internal triggers are classified into two categories. They are positive internal triggers like happiness, strength, passion, joy, etc., and negative internal triggers like depression, sadness, jealousy, frustration, etc.
Therefore, frustration is classified under the negative internal trigger. Hence, the correct option for this question is D.
To learn more about Internal triggers, refer to the link;
https://brainly.com/question/13615696
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