Okay, let's tackle this. The user provided a question about drugs used in substance-abuse patients but didn't list the options. Hmm, that's a problem. Without the options, I can't write the explanation properly. The correct answer is missing too. I need the actual question with the options and the correct answer to proceed.

The user wants a detailed explanation following specific sections. Each section requires information based on the question's content. Since the options and correct answer aren't provided, I can't determine the core concept or why each option is correct or incorrect.

Maybe the user made a mistake in formatting. Let me check again. The question is about drugs used in substance abuse, but the options A to D are empty. The correct answer is also just a period. Without knowing the specific drugs or the options, I can't create the necessary sections.

I should inform the user that the question is incomplete. They need to provide the actual options and the correct answer. Otherwise, I can't generate the required explanation. It's possible they might have overlooked including the options. Let me ask them to clarify or provide the complete question so I can assist effectively.

The question is incomplete as the options and correct answer are not provided. Please provide the full question with all options and the correct answer to generate a detailed explanation.

**Correct Answer: [Letter]. [Answer Text]**

✓ Correct Answer: D. All