<u>A couple can buy many gifts for eachother, but that won't matter if their relationship deteriorates. </u>
Comma C because Period would mean your cutting off the sentence and semicolon is just obviously not right... and question mark.. would mean your asking a question and that would be inside of the quotation mark.
I believe that the question you should ask in order to understand an author's diction is What do these words have in common with each other?
Diction in literature is the choice of words, so I'm assuming this answer is correct.
Answer:
yes Tommy start learning now