If a person were using this source and the tables to which it refers to a primary source.
I think the answer is B) a primary source since in most research projects it's important to use primary instead of secondary sources!
~ Hope I helped & Good luck!
I say expression so D. because the more expression you put in your work the more effort will be shown. From recent studies, they have shown the more effort and expression is ideal in art.
*Im guessing its B. Because conjuction is something like a comma but a word. For example the word and, but, also. An adverb is describing a verb, wich is a doing word, like jumping skipping falling. Hope I helped!