Expanding opcodes represent a compromise between the need for a rich set of opcodes and the desire to have short opcodes, which results in $\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_.$

Question $7$ options:

a$)$

short instructions

b$)$

need to use two addresses

c$)$

three instructions with two $3-$bit operands

d$)$

two instructions with one $4-$bit operand