单项选择题
A.+3.75DS/-1.75DC×65 B.+3.75DS/-2.00DC×65 C.+3.50DS/-2.00DC×65 D.+4.00DS/-2.00DC×65
A.-3.75DS/-1.75DC×65 B.-3.75DS/-1.00DC×65 C.-3.50DS/-1.00DC×65 D.-4.00DS/-1.00DC×65
A.-3.75DS/-1.75DC×65 B.-3.75DS/-2.00DC×65 C.-3.50DS/-2.00DC×65 D.-4.00DS/-2.00DC×65