The sources with a purpose to inform readers would be the following-
A cookbook with seafood recipies.
A magazine article that provides tips to avoid skin rash.
An encyclopedia entry that lists the various types of fungi found in Antarctica.
<em>(maybe-) </em>A poem that uses symbolism to describe the poets longing for her dead lover.
As original thesis ideas won't work anymore (mentioned in last sentence of the question) then, we should r<span>eassess our research and refine our thesis statement.
In short, Your Answer would be Option C
Hope this helps!</span>
Logos is logic or knowledge
To choke on something ..gagged is the past tense of gag