Assuming that you are coding in Python 3x. The last 'else' statement is an edge case that you might want to consider, I don't know what you want to put there, but I'm just going to leave it as -1.
Actually, the answer is (B) Computers will continue to become smaller in size and become faster. For example, google i9-9900k mini itx pc build. You can have an insanely powerful pc and it be very small.