Which of the following is NOT an accurate statement comparing pass-by-value and const pass-by-reference? a. Both protect against changing the caller's argument. b. Both are very fast for all sizes of objects. c. Pass-by-value copies the argument whereas const pass-by-reference does not d. Pass by value uses more memory than const pass-by-reference in passing the data For a class type T, which of the following function signatures correctly overloads the insertion stream operator (