For countries where dual citizenships are not permitted, the of original nationality should be required.

Question

For countries where dual citizenships are not permitted, the       of original nationality should be required.

Accepted Answer

正確答案為 A。renunciation 意為「放棄、聲明拋棄」，常用於放棄國籍、權利、頭銜等正式場合，符合題意：不允許雙重國籍者須放棄原國籍。