To answer this question, you need to understand what Java Server Pages (JSP) is and the programming languages or scripting languages it supports.
Java Server Pages (JSP) is a technology used for developing web applications. It allows for the dynamic generation of web pages based on Java code. JSP files are HTML files with embedded Java code.
The correct answer is C) Java only. JSP supports only the Java programming language. It allows developers to embed Java code directly into the HTML code of the JSP file. This embedded Java code can be used to generate dynamic content, perform calculations, access databases, and more.
Options A) VBScript only and B) Jscript only are incorrect because JSP does not support these scripting languages. JSP is specifically designed to work with Java.
Option D) All of the above are supported is incorrect because JSP does not support VBScript or Jscript.
Therefore, the correct answer is C) Java only.