There is a saying which like this:, “Still waters run .”A. goes; deeplyB. comes; deepC. g

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A. goes; deeply
B. es; deep
(答案→)C. goes; deep
D. es; deeply
解析：a saying goes“谚语说”。deep 表示具体的深度。deeply表示抽象的意义，意为“深深地”，所以答案C。