The boy was so hungry that he ate the food with great alacrity. This means the boy ate the food ____

Here is the answer for Question 25:

25. The boy was so hungry that he ate the food with great alacrity. This means the boy ate the food ______

• Step 1: The word "alacrity" means brisk and cheerful readiness, or eagerness.
• Step 2: When someone eats with "great alacrity," it implies they are eating with eagerness and speed.
• Step 3: Option C, "quickly," best describes eating with eagerness and readiness due to hunger.

The correct option is C.
The final answer is $\boxed{\text{C}}$