C, because "butterfly chaser" seems to point to his opinions on nature.
Option A will only work if the sentence was "Each size of a pallet is approximately as large as the size of a refrigerator..."
<span>He has to protect his reputation, and if he pardons them, then people will think he did not do his job well.</span>
B.man vs nature, because the vegetation caused the bugs to hit the man so nature was technically against him