Lethargic is to vital as trite is to original. Lethargic means lazy, where as vital means full of life. Hope this helps you!
The word rod would be the Answer so the choice D because the root is mono which that means one
The option that best identifies a basic entry for correct documentation of a book with one author would be Main, Leslie. The Age of Chivalry. New York: Random House, 1996.
Hope this helps!!