Match the valves of the human heart in column $I$ with the respective opening they guard in column $II$ and select the correct option.
Column $I$Column $II$
$i$. Eustachian valve$a$. Opening of pulmonary aorta
$ii$. Thebesian valve$b$. Left atrioventricular aperture
$iii$. Mitral valve$c$. Opening of inferior vena cava
$iv$. Semilunar valve$d$. Opening of coronary sinus

  • A
    $i-c, ii-d, iii-b, iv-a$
  • B
    $i-c, ii-d, iii-a, iv-b$
  • C
    $i-d, ii-c, iii-b, iv-a$
  • D
    $i-b, ii-a, iii-c, iv-d$

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