Yes if it is not your work then it is plagiarism to copy and say you did it. you always want to rephrase your work. (:
The capital of Finland is Helsinki.
- Finland is a country in Scandinavian peninsula, Northern Europe.
I am non prejudice in favor or against one group person compared to another
I don't know a lot about papers but for examples, the sentence that says "Then after Lily died, he stepped over James dead body and left her traumatized son in his crib and just clutched Lily’s dead body."
The word JAMES should have an apostrophe.
James's
"Severus Snape is not a good person and Harry really needs to rename his child. "
Instead of saying good try something like "pleasurable" or "delightful"
The answer is B. Hope this helped!