、To our great surprise, the disabled person made a requirement that heas a volunteerA. rec

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A. received
B. was received
(答案→)C. be received
D. would receive
解析：考察虚拟语气。本题中的名词requirement要求，后面的同位语从句要使用“should+动词原形”构成的虚拟语气，should可以省略。句意：让我们惊讶的是，那个残疾人提出了一个要求，他要求作为一个志愿者被人所接受。故C正确。