I think it's "Pictures display information when written instructions are more complicated". Personally I believe it's just a majorly confusing way of saying: when the written instructions are too complicated they use pictures as well.
Statement A because I just took the test
The answer is a to reinforce the meaning of the content
Division is where you have a sertain about of (for example) money, and you have to split it up equally with four people. So yes basically.
