The correct option with the order of melting points of the pairs $(Mn, Fe)$, $(Tc, Ru)$ and $(Re, Os)$ is $:$
- A$Fe < Mn$, $Ru < Tc$ and $Re < Os$
- B$Mn < Fe$, $Tc < Ru$ and $Re < Os$
- C$Mn < Fe$, $Tc < Ru$ and $Os < Re$
- D$Fe < Mn$, $Ru < Tc$ and $Os < Re$
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