The question is a little ambiguous - The best definition of tone in writing would be your attitude towards your subject as revealed through your word choice. The best definition on the given list, however, is probably D, as your purpose is generally related to your attitude towards your subject.
Answer:
I don't know I'm sorry I will tell you another answer asks me to
Answer:
A) Hien went to see the new horror film with his friends.
Explanation:
Hien in a proper noun and the sentence is correct, while the other sentences either do not have a pronoun or they are not correct sentences.