锚具的静载锚固性能应满足（)。（检测员不考)A．ηa≥0.95，εapu≥2.0%B．ηa≥0.90，εapu≥1.70%C．ηa≥0.95，εa

锚具的静载锚固性能应满足()。(检测员不考)

A．ηa≥0.95，εapu≥2.0%

B．ηa≥0.90，εapu≥1.70%

C．ηa≥0.95，εapu≥1.5%

D．ηa≥0.90，εapu≥2.0%