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单项选择题

远用处方R:-2.25DS ,L:-1.75DS -0.50DC*50,近用处方为:R:-0.50DS ,L:……

远用处方R:-2.25DS ,L:-1.75DS/-0.50DC*50,近用处方为:R:-0.50DS ,L:-0.50DC*50,则近用附加ADD为多少?()

A.+1.50D
B.+1.75D
C.+2.00D
D.0.00D