C & E are the 2 correct answers everything else is wrong.
Claims and support are related because claims are statements that are made by authors in relation to some subject matter that are backed up by "support" or evidence. Therefore, based upon these options, "An author will use support to back up a claim." This claim and support are what authors use to create arguments in writing to make a point and to express a perspective on a particular issue.
The sentence in the excerpt that includes the writer's personal opinion is 3. It was unfortunate that Paine called for action.
The other sentences are just plain facts, there are no opinions there, because they are objective. But sentence #3 clearly states what the author thinks about Paine's actions.
