In Regards to Default Arguments, Which of the Following Is

Multiple Choice

In regards to default arguments, which of the following is false?

A) When an argument is omitted in a function call, the default value of that argument is automatically inserted by the compiler and passed in the function call.
B) They must be the rightmost (trailing) arguments in a function's parameter list.
C) Default values can be constants.
D) Default values cannot be global variables or function calls.