Of course, tsuwm, the answer to your riddle is (F).

Yes, you are obviously SHIFTLESS becausethe whole point is that you don't SHIFT, and obviously you are NOT LAZY because you prepared this elaborate quiz and test.
Ergo, (C) is contradictory, and inasmuch as we are instructed to choose only one answer (an answer we could not possibly discern without more information) our only other option is to choose (F).

Only there can we cover all three of your shortcommings in one fell swoop.