The court's decision was not because there were a few judges who voted the other way.

unanimous 意為「全體一致的、意見一致的」。題幹指出「判決並非___，因為有幾位法官投了反對票」，既然有反對票，代表判決不是全體一致通過的，故空格填入 unanimous 語意完全吻合：The court's decision was not unanimous（法院的判決並非一致通過）。