(Multiple choice)The statement

stack.items[1]=stack.items[2]; (setting the top element equal to the second element)in a client program of the stack class

a)Would cause a syntax error at compile time.

b)Would cause a run-time error.

c)Would not be considered an error by the computer, but would violate the encapsulation of the queue data type.

d)Would be a perfectly legal and appropriate way to accomplish the intended task

(Multiple choice)The statement

stack.Push(item1+1);

stack.Pop(item1+1);

in the client program

a)Would cause a syntax error at compile time.

b)Would cause a run-time error.

c)Would be legal, but would violate the encapsulation of the stack.

d)Would be a perfectly legal and appropriate.