Answer and explanation

Correct answer: A. personne ne peut ignorer que

  1. Step 1: 'Nul' is a negative pronoun meaning no one. Step 2. The sentence says no one can be unaware. Answer: personne ne peut ignorer que. Why not the others: these options reverse the meaning.

Practise more Formal and Academic Register.

Free questions with an explanation for every one, and full timed DELF/DALF (French as a foreign language) mock tests.