单选题 A new electronic announcement system has been introduced in the taxis to ______ passengers not to forget their luggage.
A. inform B. warn C. alert D. remind

【正确答案】 C
【答案解析】本题测试词义辨析。inform意为“通知”；warn意为“警告”；alert意为“提醒”；remind意为“使想起”。根据题意，C是正确的。