Answer:
B. C'est le vingt-quatre décembre.
Explanation:
In French, dates are formatted as such:
24 decembre, with the date coming before the month.
The sentence itself is similar to how it would be in English; we say "the 24th of December", but in French, the word "of" is omitted and the month is not capitalized.
Observez la photo du château de Versailles et expliquez la phrase: «.