## Core Concept
The legal responsibility of an insane person is a critical concept in forensic psychiatry and law, focusing on the criminal liability of individuals who are not of sound mind at the time of committing a crime. This concept is often evaluated using standards such as the M'Naghten Rule, the Irresistible Impulse Test, or the Model Penal Code Test.

## Why the Correct Answer is Right
The correct answer, ., implies that one of the provided options does not align with the legal rules regarding the responsibility of insane persons. Typically, legal standards for insanity defenses include:
- **M'Naghten Rule**: Focuses on whether the defendant knew the nature and quality of the act and whether they knew it was wrong.
- **Irresistible Impulse Test**: Adds an element of volitional impairment, considering whether the defendant could not control their actions.
- **Model Penal Code Test**: Combines cognitive and volitional elements, assessing whether the defendant lacked substantial capacity either to appreciate the criminality of their conduct or to conform their conduct to the requirements of the law.

## Why Each Wrong Option is Incorrect
- **Option A:** This option is incorrect because it likely represents one of the established rules or tests (like M'Naghten) used to determine the legal responsibility of an insane person.
- **Option B:** Similarly, this option would represent another valid test or rule, such as the Irresistible Impulse Test, making it incorrect as an exception.
- **Option C:** This could potentially represent the Model Penal Code Test or another jurisdiction's standard, again making it an incorrect exception.

## Clinical Pearl / High-Yield Fact
A crucial point to remember is that the **M'Naghten Rule** is one of the oldest and most well-known standards, focusing purely on the cognitive aspect of insanity. It does not consider the volitional aspect (ability to control actions), which is a key distinction from other tests like the Irresistible Impulse Test.

## Correct Answer Line
**Correct Answer: D.**