Vertebrochondral ribs in human are $:-$

• A
  $1^{\text{st}}$ to $7^{\text{th}}$ pairs of ribs
• B
  $8^{\text{th}}, 9^{\text{th}}$ and $10^{\text{th}}$ pairs of ribs
• C
  $11^{\text{th}}$ and $12^{\text{th}}$ pairs of ribs
• D
  $8^{\text{th}}, 9^{\text{th}}, 10^{\text{th}}, 11^{\text{th}}$ and $12^{\text{th}}$ pairs of ribs