What happens when the RET instruction at the end of subroutine is performed?

A:  The information where the stack is initialized is trannsfered to the counter
B:  The memory address of the RET instruction is transfered to the counter
C:  Two data bytes stored in the top two locations of the stack are transfered to the programed  counter
D:  Four data bytes stored  in the top two locations of the stack are transfered to the stack Pointer