1. 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
(D) sometimes promoting needless surgery(B)
(E) which they use sometimes to promote unnecessary surgery
我选C,B只因为没有be吗?be到底在什么情况下才可以省略?
而且在这里noting 和and notes有什么区别吗? |