Select the correct option regarding the human rib cage.

• A
  $8^{\text{th}}$,$9^{\text{th}}$,and $10^{\text{th}}$ pairs of ribs articulate directly with the sternum.
• B
  $11^{\text{th}}$ and $12^{\text{th}}$ pairs of ribs are connected to the sternum with the help of hyaline cartilage.
• C
  Each rib is a flat thin bone and all the ribs are connected dorsally to the thoracic vertebrae and ventrally to the sternum.
• D
  There are seven pairs of vertebrosternal,three pairs of vertebrochondral,and two pairs of vertebral ribs.