In some parts of Asia, a person mustn’t sit with his feet _____ another person, _______ isconsidered impolite.
A.pointing at; it
B.pointed at; which
C.pointing at; which
D.pointed at; that
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C解析考查with的复合结构和定语从句。with his feet _____，是“with+宾语+宾补”结构，宾语his feet和宾补point at是主谓关系，所以要用doing形式。排除B,D; _______ isconsidered impolite.是定语从句，先行词是前面整个句子，用which引导。选C。