Answer:
Option A, a fitted shirt with short sleeves
Step-by-step explanation:
Any kind of loose clothes or clothes with flammable material can easily catch fire. Also any cloth that can easily detach from the body such as loosely wrapped scarf, open platform shoes etc. must be avoided as they can add to the fire problem.
In fact Kim should wear tight clothes that in no way comes in contact with the fire. Also as a precautionary measure he must wear lab coats and goggles.
Hence, option A is correct