When an object (such as an array) or structure variable is passed to a function as a constant reference: (Choose all that are correct.)

Select one or more:

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.

The original object will be destroied when the function returns.

e.

the function can only change public member variables