单选题 Our sports meeting has been ______ because of the heavy rain.
A) protested C) kept
B) prevented D) postponed

【正确答案】 D
【答案解析】句子意为：我们的运动会由于下大雨而推迟厂。本题测试词义辨析。protest反对； prevent阻止；keep保持；postpone延期，推迟。