16. John Smith provides information on the conditions that lead women to a gynecologist, and he notes that these conditions can, and sometimes are, used in the promotion of surgery which is not needed. (A) and he notes that these conditions can, and sometimes are, used in the promotion of surgery which is not needed (B) noting that these conditions can be, and sometimes are, used to promote needless surgery (C) and notes that they could and sometimes are used unnecessarily in promoting surgery
C:好象还有一个错误,逗号and 应该加一个句子,OG里面常说的。见OG139, |