If you aren't familiar with some of the words and can't see an obvious answer, ignore any incorrect words you do know and make a guess with the remaining choices. Read the sentence (silently) with each remaining choice and choose the one that "sounds" the best.
Do the same for the following question.
The word "process" in paragraph 3, line 2, is closest in meaning to
(A) examine
(B) replace
(C) handle
(D) maintain