I would think the answer would be C. But I am not positive
The mood is conveyed by the choice of words as in simple casual speech or difficult, more formal words, the tone of the writers is something to consider also
Umm you can either sue them when you wake up or tell them thanks
1 pound= 16 ounces
To find out how may ounces something measured in pounds is you need to times it by 16
12.5x16=200 ounces