A is infinitive (to sneeze)
B is conditional (could change)
C is indicative (prefers)
D is imperative (cover)
I have been scientifically studying the traits and dispositions of the "lower animals" (so-called), and contrasting them with the traits and dispositions of man. I find the result humiliating to me. For it obliges me to renounce my allegiance to the Darwinian<span>theory of the Ascent of Man from the Lower Animals; since it now seems plain to me that the theory ought to be vacated in favor of a new and truer one, this new and truer one to be named the Descent of Man from the Higher Animals.</span>
Answer:The answer is B. Essential
Explanation: Essential means absolutely necessary; extremely important. So this could be used as a word to replace critical.
