The word whether in “… , whether that organization be large ...
a-
Even if means whether or not and has to do with the conditions that may apply. Compare the following: Even if I had two hours to spare for shopping, I wouldn't go out and buy a suit. Even though I had two hours to spare for shopping, I couldn't find the suit I wanted.
https://www.bbc.co.uk/worldservice/learningenglish/youmeus/learnit/learnitv122.shtml
Gabarito: letra A
Pertencerei PMMG
Even if = ainda que, mesmo que
A palavra "...", seja aquela organização grande ou pequena,...", pode ser substituída, sem alterar seu significado, por: LETRA A Even if (mesmo se)