C) so then. saying that shows that the effect is about to show
Yes, because that’s your friend and you should always try your best to be truthful and your friend did ask for your opinion. You should tell your friend how you feel, but let her know that you don’t know their bf/gf that well so your observations could be totally wrong.
Answer:
but last year I work hard enough for English that's why my marks be really that good then
I believe it's A, as it's asking for social context of the passage, meaning in what environment it was said at. (I may be wrong, please double check)