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When an argument is passed by reference,?

Programming Languages Quizzes C / C++ Programming Language

Question:
When an argument is passed by reference,

Option A):
a variable is created in the function to hold the argument's value
Option B):
the function accesses the argument's original value in the calling program
Option C):
the function cannot access the argument's value
Option D):
a temporary variable is created in the calling program to hold the argument's value

Correct Answer is Option B):
the function accesses the argument's original value in the calling program