To solve this question, the user needs to know what class can be used for formatting money on a JSP page.
The correct answer is:
C. NumberFormat
Option C is correct because the NumberFormat class is used for formatting numbers, including currency values. It provides methods for formatting numbers into strings that can be displayed on a JSP page. The CurrencyFormat class does not exist in Java and AirthmaticFormat and StringBuffer are not used for formatting currency values.
Therefore, the answer is: C. NumberFormat.