Answer:
D fact/opinion
Explanation:
Research papers should be all accurate data not opinions.
To make sure you got everything you need, and to make sure it makes sense.
A stanza is a group of lines in a poem (I've seen from 4-8 lines) that the poet can use to establish his/her rhyme scheme and move the poem on through its story. This may not be exactly what you're looking for, but good luck.
