单项选择题

A.当支座宽度-bhc≥lae且≥0.5*hc+5*d时,判断为直锚,直锚长度为max(lae,0.5*hc+5*d)
B.当支座宽度-bhc≥lae且≥0.5*b+5*d时,判断为直锚,直锚长度为max(lae,0.5*b+5*d)
C.当支座宽度-bhc<lae时,判断为弯锚,弯锚长度为支座宽-bhc+12*d
D.当支座宽度-bhc≤lae时,判断为弯锚,弯锚长度为支座宽-bhc+12*d