Drugs can prohibit dangerous behavior, and often result in actions consumers can't remember and/or have no control over. Such as vandalism, injury, threatening other victims, and even death. Making such drugs can be dangerous, as people may add or slip things into the drug of choice.
The answer is B. A does not make sense because Jessica should encourage her friend not discourage her. C is also incorrect because when you often scold at someone about something they will probably do the exact opposite of what your telling them to do.
It results in maintaining weight
Hope this helps :)