I know that B applies, and D might apply assuming it means certain materials can pass through and not all materials can pass through.
I think the best answer would be C. Putting on an act in order to impress others. Hope this helps!
If each have 12 including their selves that would be 13. 13 times 2 is 26 -2 is 24 if your including the parter then it would be 25 not including your self