Among Ethane, Ethene, and Ethyne Carbon-Carbon bond length in Ethyne is shortest due to the following fact(s)

• A

  Increase in s-character of the  carbon from Ethane to Ethene and Ethene to Ethyne

• B

  Electrons are closer to the nucleus of the sp-hybridized carbon

• C

  Highest percent of s-character

• D

  All are correct explanation