某高層綜合樓,設有火災自動報警系統(tǒng)。請回答下列問題:
A.H=1.3-1.5m,D≥0.5m B.H=0.5m,D≥1.5m C.H=1.3-1.5m,D≤0.5m D.H=1.5m,D≤0.5m
A.10 B.20 C.30 D.40