The question is asking: which of the responsibilities of citizenship allows an exception for religious reasons? Let's start from: voting and obeying the law are not dependent on religion - everyone can vote and everyone must obey the law. So we can exclude uptions 1) and c). Serving in a Jury might be influenced by religious views, but it is only in practice, not by law. So the best answer is the remaining one: D) taking up arms to defend the nation - if your religion prohibits violence, you can opt out of being in the active part of army