Consider the following program segment for a hypothetical $$CPU$$ having three user registers $$R1,R2, $$ and $$R3.$$

Let the clock cycles required for various operations be as follows:
Register to/from memory transfer:
$$3$$ clock cycles
ADD with both operands in register:
$$1$$ clock cycle
Instruction fetch and decode:
$$2$$ clock cycles per word

The total number of clock cycle required to execute the program is

Which is the most appropriate match for the items in the first column with the items in the second column?
$$X.$$ Indirect Addressing
$$Y.$$ Indexed Addressing
$$Z.$$ Base Register Addressing
$${\rm I}.\,\,$$Array implementation
$${\rm II}.\,\,$$Writing relocatable code
$${\rm III}.\,\,$$Passing array as parameter