The answer is 'a' In the past centuries,Christian jesuits travelled to all corners of the world,to spread and preach the Gospel
The prepositional phrase for this sentence is "go until Friday." The word "go" is a preposition. Think of it as a squirrel and a log. To find a preposition, say "The squirrel (went) [insert preposition] the log." If it makes sense, it is a preposition. Then just find the phrase to go along with it!
The book Hatchet is a novel I believe