I think that it is c because it seems the only one to be right and if you look at the picture it is obviously right. Hope this helps.
Answer: I think it's incorrect, because they put a comma at the end of her sentence. It had a '...' already there, so why put the comma? Just what I think. I'm not entirely sure, though.
Explanation:
The correct answer is C. Because an antique is an old object.
