三、根據文章內容，選出正確的答案。  I am a fox, and now it’s dinner time. Look! __39__ a rabbit nest over there. Rabbits are my favoritefood for sure. Sadly, there aren’t any rabbit in the nest now. But it is okay； maybe__ 40__ There’s a bird nestright in that big apple tree. Let’s see. Oh no, there are__ 41__ birds inside, not even an egg. I’m hungry now.Today is not my day. Wait a minute. What am I doing? __42__ I am lucky. Thanks to the tree, I can havesome apples for dinner.
【題組】39.
(A) they are
(B) there are
(C) this is
(D) there is