When an object or structure variable is passed to a function as a constant reference
A)the function accesses the original object, rather than a copy of it.
B)the function cannot make any changes to the member variables.
C)it is more efficient than passing it by value.
D)all of the above are true.
E)A and B are true, but not C.

Question

Quizplus · Accepted Answer

Passing by constant reference allows the function to access the original object without making a copy, prevents modification of the object, and is more efficient than passing by value.

When an Object or Structure Variable Is Passed to a Function