(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
(E) which they use sometimes to promote unnecessary surgery
Solution:
Pronouns + Logical
A: After removing the text between comas and sometimes are we get these conditions can used, which is incorrect. can be used is correct.
C: they does not have a clear antecedent.
D: Illogically conveys that providing of information by John Smith promotes needless surgery.
E: which refers to gynecologist instead of conditions.
B: Clearly conveys that the conditions (which John Smith is noting) can be used to promote needless surgery. Best choice.
Sentence Correction - 1000 Questions with Solution: