**Core Concept**
The process by which an individual gradually acquires culture and becomes a member of a social group is a fundamental concept in sociology and anthropology. This concept is related to the idea of socialization, where an individual learns the values, norms, and behaviors of a particular culture through interactions and experiences.

**Why the Correct Answer is Right**
Socialization is a lifelong process that starts from birth and continues throughout an individual's life. It involves learning and internalizing the cultural norms, values, and behaviors of a particular group. This process is facilitated by various factors such as family, education, media, and social interactions. The correct answer is a key concept in understanding how individuals become members of a social group and how culture is transmitted from one generation to another.

**Why Each Wrong Option is Incorrect**
**Option A:** This option is incorrect because it does not accurately describe the process of acquiring culture and becoming a member of a social group. While this option may be related to socialization, it is not the most accurate or comprehensive answer.
**Option B:** This option is incorrect because it refers to a specific aspect of socialization, such as language acquisition, but does not encompass the broader concept of socialization.
**Option C:** This option is incorrect because it refers to a different concept in sociology, such as deviance or social control, and does not accurately describe the process of socialization.

**Clinical Pearl / High-Yield Fact**
One key aspect of socialization is that it is a continuous process that occurs throughout an individual's life. This means that socialization is not limited to childhood or adolescence, but continues into adulthood and old age.

**Correct Answer: C. Socialization**