He is not a(n) , only a(n) .
A. friend; acquaintances
B. acquaintance; friend
C. friend; acquaintance
D. acquaintances; friend
网友回答
A. friend; acquaintances
B. acquaintance; friend
(答案→)C. friend; acquaintance
D. acquaintances; friend
解析：词义辨析。Friend朋友； acquaintance熟人，相识。句意：他不是一个朋友，只是一个熟人。结合语境可知选C为最佳答案。