Подскажите правильный вариант, я думаю что d, правильно ли? a)the cat isn't hiding from the dog, isn't it? b) the cat hiding from the dog, isn't it? c) the cat is hiding from the dog, doesn't it? d) the cat is hiding from the dog, isn't it?

Да, под D правильно.                                                                                                                                                  

D) The cat is hiding from the dog, isn't it?