39. What is NOT a major benefit of laser surgery?
(A) It shortens the average healing time.
(B) The likelihood of infections is lessened.
(C) It has been proven to be effective in eye operations.
(D) There is less chance of injuring the digestive system.
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統計: A(7), B(18), C(23), D(238), E(0) #1819842
統計: A(7), B(18), C(23), D(238), E(0) #1819842