B is the correct answer because their is already plural so you don't put an apostrophe any where in it.
the best answer would mostly likely be C bc it says "Kate my complain if the jug had been there". which means that they complain bout minor things, sorry if I got it wrong this is just from my opinion :)
Answer:
C. or E. One of the two. I could be wrong. Forgive me if I am.
Explanation:
