When an Object or Structure Variable Is Passed to a Function

Multiple Choice

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.