Step 1: Understand the context.
The phrase "good at" is commonly used when describing proficiency in something, such as a language or skill. Step 2: Analyze each option.
- (A) in: Incorrect. "Good in" is not the typical expression used for proficiency in a subject.
- (B) on: Incorrect. "Good on" is not typically used to describe proficiency.
- (C) at: Incorrect. While "good at" is commonly used, "good with" is more appropriate when referring to people or things one works with.
- (D) with: Correct. "Good with" is the correct phrase when describing proficiency in interacting with or using something (in this case, English). Step 3: Conclusion.
The correct sentence is "Madhav is good with English."