Which of the following statements is (are) true about the human heart?
$(i)$ The left atrium receives oxygenated blood from different parts of the body.
$(ii)$ The left ventricle pumps oxygenated blood to the entire body, while the right ventricle pumps deoxygenated blood to the lungs.
$(iii)$ The left atrium transfers oxygenated blood to the right ventricle.
$(iv)$ The right atrium receives deoxygenated blood from the body.

• A
  $(i)$
• B
  $(ii)$ and $(iv)$
• C
  $(ii)$
• D
  $(i)$ and $(iii)$