False sometimes you need it
I'm pretty sure the answer is B :)
Well, using my limited knowledge, "cleaving" means to chop, break in half, split, etc. Twain means twice. So, perhaps it's like "you've broke my heart in half", something along those lines? hopefully this helps you.
Not sure but i would say D is the answer.
Answer:
I would know what caused it, how long did it last and when it ended.
Explanation: