单选题 Your headache is likely to ______ if its real cause is not identified and proper treatment should be administered accordingly.

【正确答案】 C

【答案解析】(recur再发生，复发)。句意为：如果找不到真正的病因，头痛很有可能会复发。因此，应进行适当的治疗。A．cure治愈；B．recover使(身体)复原；D．release释放，豁免。