Which of the following interventions will assist the client in taking phenytoin as prescribed

A．Calling him daily for the first week after hospital discharge.

B．Having a family member monitor him to ensure compliance.

C．Providing him with written and verbal instructions about the medicine.

D．Emphasizing that embarrassing seizures may occur again if he does not take the medicine.

（6分）只需用一种试剂即可将酒精、苯酚溶液、四氯化碳、环己烯、甲苯五种无色液体区分开来，该试剂是____________（填序号）①FeCl₃溶液②溴水③KMnO₄溶液④金属钠其中所能发生化学反应的方程式为______________________。