Switchback is a valid word in this word list. ... The word "switchback" uses 10 letters: A B C C H I K S T W. No direct anagrams for switchback found in this word list. Words formed by adding one letter before or after switchback (in bold), or to abcchikstw in any order: s - switchb
I have read this before its the very last one
Answer:
If you go by definition of an expository essay, it would probably be D