When numerators are equal, the fraction with the smallest denominator is the largest.<br><br>
&bull; All numerators are 1.<br>
&bull; Compare denominators: 7, 5, 2, 11. Smallest denominator = 2.<br>
&bull; \( \frac{1}{2} \) is the largest fraction.<br><br>
Final Answer: C: \( \frac{1}{2} \)