In order to know how someone is (or their character) you must put them in power. if you give someone power it is easier to see what their motive is.
"We noticed the CAMPING club had set up their tents nearby" This is the answer because in the other sentences it is being used solely as a verb. Where as in the first sentence it is being used as a noun for the the club.
A. Paralllelism. They come to the same conclusion of needing to do well on this test, but aren't repeating the same exact thing over again.
