In the given choices above, the sentence that is punctuated in a correct way would be letter a. Abby collected rocks, sticks, and leaves on the hike; but Jim, I think. picked up only stones. They are two independent clauses that are appropriately separated by the semicolon.
I'm not sure in what context you mean, but think about how they act or their core characters. What standards do they follow? Any stereotypes? Are they predictable? If so, in what way?
By quoting your evidence and looking back at your notes or text also by using your supporting details... <span />