<span>Using cell phones during school hours is not allowed.</span>
A. the rules of ssyntax have been broken.
It would have made more sense if it was... His lawyer suddenly interrupted my thoughts by busting out questions.
What do you mean? are we supposed to have read that book or is that something else?
Its <u><em>valid</em></u>
VALID is something that is very logical and makes sense in the topic situation
The answer is therefore <u><em>VALID</em></u>
True, you want them to understand you as easily as possible and they will not know slang, etc. if they speak little english