Explanation:

- Aggravate: Typically means to make a situation worse or more severe. It can also mean to annoy or irritate someone.

- Option 1: Intensify

- Means to make something more intense, strong, or deep. Like aggravate, it can imply increasing the severity of something.

- Correct Answer

- Option 2: Illustrate

- Means to explain or make something clear using examples, pictures, or other means. This does not align with the meaning of aggravate.

- Option 3: Illuminate

- Means to light up or clarify something. It is unrelated to making a situation worse or more severe.

- Option 4: Influence

- Refers to the capacity to have an effect on someone or something. It does not specifically mean to worsen a situation.