IMO C.
The argument is weakened that the said limit will not reduce the effects of sleep deprivation if the customers are able to get their fix from some other sources. C hits that point. If people can get similar stimulants from other sources, then the limitation will not be effective.
The argument is weakened that the said limit will not reduce the effects of sleep deprivation if the customers are able to get their fix from some other sources. C hits that point. If people can get similar stimulants from other sources, then the limitation will not be effective.






