**Core Concept**
Glucose estimation is a critical aspect of diabetes management, and various methods are employed to measure glucose levels. The sensitivity of these methods determines their ability to detect even slight changes in glucose concentrations.

**Why the Correct Answer is Right**
The correct answer is the most sensitive method for glucose estimation, which is crucial in managing diabetes, especially in cases of hypoglycemia. The correct method employs enzymatic reactions that catalyze the conversion of glucose to produce a detectable product. This process is highly specific and sensitive, allowing for accurate glucose measurement even at low concentrations.

**Why Each Wrong Option is Incorrect**
**Option A:** This method is less sensitive compared to the correct answer due to its reliance on non-enzymatic reactions, which may not be as efficient or accurate.

**Option B:** This method is also less sensitive and may be prone to interference from other substances, leading to inaccurate glucose readings.

**Option C:** This method is not as sensitive as the correct answer and may require larger sample sizes to achieve accurate results, making it less practical for glucose estimation.

**Clinical Pearl / High-Yield Fact**
In clinical practice, it is essential to choose the most sensitive glucose estimation method to accurately diagnose and manage diabetes, especially in patients with hypoglycemia.

**Correct Answer:** C.