Which part of mind gives instinctual drives to a person to obtain immediate gratification according to structural model of mind?

**Core Concept**
The structural model of mind, proposed by Sigmund Freud, divides the mind into three parts: the **id**, **ego**, and **superego**. This model is fundamental to understanding human psychology and behavior. The **id** is the most primitive part of the mind.

**Why the Correct Answer is Right**
The **id** is responsible for instinctual drives, seeking immediate gratification without considering the consequences. It operates on the pleasure principle, aiming to satisfy basic needs and desires. The **id** is the source of primal urges, driving individuals to pursue pleasure and avoid pain.

**Why Each Wrong Option is Incorrect**
**Option A:** Incorrect because it is not specified.
**Option B:** Incorrect because it is not specified.
**Option D:** Incorrect because it is not specified.

**Clinical Pearl / High-Yield Fact**
The **id**'s role in driving instinctual behavior is crucial for understanding various psychological phenomena, including addiction and impulse control disorders. Recognizing the **id**'s influence can help clinicians develop targeted therapeutic strategies.

**Correct Answer:** C. Id