Answer:
We have 2 children, but they do not live with us any longer.
Explanation:
A mirror is opaque because you cannot see through it
I find all of the answers pretty neutral (that is, giving only facts, no judgements) except on sentence 3: this is because of the word "sharply".
It seems that the author of this sentence makes a judgement about the split: that they're very split, that their argument was very intense. It seems like a judgement to me more than the other sentences.
It is b for your question
Answer:
I believe it is C. Alarmed