单选题 No one can use cell phones in any areas at the hospital where equipment might be affected by the interference from cell phones.

【正确答案】 D

【答案解析】[解析] 在本句中，where equipment might be affected by the interference from cell phones是定语从句，修饰areas。由于这是一条医院的规章制度，因此翻译时，应考虑用命令的口气。