I believe it’s C, good luck !!
Explanation:
This question should go in this case ''Have you already visited the place twice?'' because the question is saying to add an appropriate question tag.
You have already visited the place twice has meant that the person has already been there and that the one who is telling that knows that the person was there two times. With the question ''Have you visited'' the person is asking another one did he visited the place twice.
This is an example of irony:
Nothing is perfect. This was one of Mrs. Hopewell's favorite sayings. Another was: that is life! And still another, the most important, was: well, other people have their opinions too.
From the excerpt above, we see Mrs. Hopewell adding the name to the girl eventhough the girl feel that it's intrusive and she feel that she got to has a say about it. But despite that, Hopewell's favourite saying is other people have their opinions too.