题目内容：

Don't use words,expressions,or phrases（ ）only to people with specific knowledge.
Don't use words,expressions,or phrases（ ）only to people with specific knowledge.
A being known B、having been known C、to be known D、known
应该选择哪一个?其中being known属于什么用法?

优质解答

选D.句子意思：不要使用仅仅被有特定知识的人知晓的单词,表达或短语.known过去分词作定语.being known常常表示正在被做,此处意思不成立.