Considering the grammatical and semantic aspects of text ...

Considering the grammatical and semantic aspects of text II, decide whether the following statements are right (C) or wrong (E).

The point made by the author in “Unfortunately, it was (…) that of representation” (l. 8 to 11) would remain the same if this passage were rewritten as Sadly, only recently have political scientists started to actively engage in the study of diplomacy as a conceptual phenomenon, and this delay has led to the irrefutable axiom of representation.