单选题:What do we find after the development of the laser in the 19

题目内容:
What do we find after the development of the laser in the 1960s? A.[ A ] Industrial revolution brought surgery changed greatl
B.[ B ] Medical help became available for industrial worker
C.[ C ] The study of art went through a complete revolutio
D.[ D ] Human being' s methods in surgery changed greatl
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