Kate is only a nodding , not very familiar to me.
A. acquaintance
B. partner
C. panion
D. coincidence
网友回答
(答案→)A. acquaintance
B. partner
C. panion
D. coincidence
解析：考查名词：A. acquaintance熟人，B. partner 伙伴，C. panion同伴，D. coincidence巧合，句意：凯特只是点头之交，和我不熟。选A。