Wenn Sie bei einer Bundestagswahl in Deutschland wählen dürfen, heißt das …

Why this is the correct answer

Being eligible to vote in a German federal election means you hold the aktives Wahlrecht, the legal right to participate as a voter. This right is granted to German citizens aged 18 and over who have resided in Germany for at least three months. It is distinct from the passive right to stand as a candidate, which carries additional eligibility requirements.