When getting a secondary source one thing to remember is it can be created by an educated expert and published in an academic journal. Also, a firsthand account published in a magazine will also work as a secondary source. So bother A and B will be correct. If only one can be chosen, A would be the better of the two. <span />
I think the answer is D. Humans attenpt to ........
Predicate sentence: Once his costume was off, Bobby walked home.
The predicate is: walked.
