Statement D. Is not true.
Hypothesis is what you think will happen before the experiment, it isn't necessarily backed up by any sources or evidence. A scientific law is the observation of a phenomenon and a theory is the explanation both can be used together to back each other up.
So base on the question, I would only say YES, because and experiment must be done in a safe place with a professionals and more importantly it would be safe to all including the people around the factory. I hope you are satisfied with my answer and feel free to ask for more