锚具的静载锚固性能符合()。(检测员不考)
A.ηa≥0.95,εapu≥1.7%
B.ηa≥0.90,εapu≥1.7%
C.ηa≥0.90,εapu≥2.0%
D.ηa≥0.95,εapu≥2.0%