When displaced concrete is neglected and compression steel yields, ρmax_DRB equals ρmax_SRB plus which term?

• A. ρmax_DRB = ρmax_SRB + ρ' (if displaced concrete neglected and compression steel yields)
• B. ρmax_DRB = ρmax_SRB + ρ' (if displaced concrete neglected)
• C. ρmax_DRB = ρmax_SRB + As2/bd
• D. ρmax_DRB = ρmax_SRB + ρ'(f's/fy)

Answer: (A)