Final answer:
The Solicitor General decides whether to appeal a case that the government has lost to the Supreme Court, making pivotal decisions on which cases to present for appeal from lower courts.
Step-by-step explanation:
Who decides whether to appeal a case that the government has lost to the Supreme Court? The correct answer is d. The Solicitor General. The Solicitor General is the lawyer who represents the federal government before the Supreme Court.
The Solicitor General makes the decision which cases should be appealed from the lower courts. Additionally, the Solicitor General personally approves each case that the federal government presents to the Court. With most of the cases involving the federal government, the role of the Solicitor General is quite significant in the Supreme Court's proceedings.