A student is repeatedly calling a function file but gets no output. She has checked the file repeatedly so finally she asked her teacher about it. The teacher checked everything and finds the error and gives her a scolding. What is a silly mistake?

• A. She was calling the wrong function
• B. She has placed a semicolon at the end of the line which computes the desired values
• C. She has called a .m file
• D. She was calling a script file