That the word do means differently in “do a city”，“do a sum” and “do the flowers” shows that_______ context affects the meaning of words.
A、extra-linguistic
B、grammatical
C、lexical
D、semantic
【正确答案】：C
【题目解析】：本题考察的是影响词汇意义的因素，题干中几个词组中do的含义不同，取决于与之搭配的词汇含义。因此，C为正确答案。
