单选题 The line is always busy when you are making a phone call. You'd better______. [A] dial 0 for the front desk [B] call the room staff [C] go to the public telephone boxes in the hall

【正确答案】 C

【答案解析】[考点] 推理题 [解析] 从文中第4段最后一句可知，靠近前台有公共电话厅。