A test response.
In the other options, slang could be used for literary effect.
I believe that the correct option is: D) colons.
Extended quotations that are longer than three lines are introduced with a colon and then they start on a new line but having its entirety indented half an inch from the left margin.
For example:
Mary begins to talk about her past:
(this is where the quotation is)
C. Mainstream media typically has a broad range of viewpoints which can have a more open discussion and can be two sided rather than independent media which argues their opinion
