Jamboree Question of the Day - Day 29, Dec 7th 2010

The expedition did not enter the water-filled clearing because it believed that to do it endangers the rare Spanish moss hanging from the trees.

(A) to do it endangers

(B) doing it endangers

(C) to do this would endanger

(D) doing so would endanger

(E) to do it would endanger

Solution (Posted on Dec 8th):

The best answer is D. Choice D appropriately used the adverb so to refer back to the verb accord.