**Core Concept:** Intelligence quotient (IQ) is a way to measure a person's cognitive abilities, typically evaluated using intelligence tests. IQ scores range from 0 to 140, where a score between 90-110 is considered average intelligence.

**Why the Correct Answer is Right:** IQ of 98 falls within the range of average intelligence. In the context of the question, the correct answer is right because it aligns with the understanding that a score between 90-110 indicates average intelligence.

**Why Each Wrong Option is Incorrect:**

A. **Incorrect:** IQ scores below average (below 90) are considered below average intelligence. IQ of 98 is not below average, making this option incorrect.

B. **Incorrect:** IQ scores above average (above 110) indicate superior intelligence, which is not the case for IQ of 98.

C. **Incorrect:** IQ scores below normal (below 85) are considered below normal intelligence, which is not applicable to IQ of 98.

D. **Incorrect:** IQ scores below subnormal (below 70) are considered subnormal intelligence, which is not applicable to IQ of 98.

**Clinical Pearl / High-Yield Fact:** Intelligence quotient tests are widely used to evaluate individuals' cognitive abilities and are often administered in educational and clinical settings. While the specific meanings of IQ scores can vary depending on the test used, the basic understanding of IQ scores and their implications is crucial for healthcare professionals.

**Correct Answer:** C. 98 falls within the range of normal intelligence (85-110), making option C the correct answer.