单项选择题

A.1±0.2,(0±5)µg/m3,≥0.93
B.1±0.2,(0±5)µg/m3,≥0.95
C.1±0.1,(0±5)µg/m3,≥0.93
D.1±0.1,(0±5)µg/m3,≥0.95