Answer:
B.
Step-by-step explanation:
The answer is 'B' because 'C' doesn't have anything to do with this. 'D' suggests he was trying to catch something in the water, and there is no context behind why 'A' would be the answer. Also, there is no way a fire was literally on his head. That means you can infer that he was thinking of a lot of things. That only leaves B to be the answer.