Correct Answer & Explanation
Option B
The word 'exult' means to show or feel elation or jubilation, especially as the result of a success. Among the given options:
• 'Rejoice' means to feel or show great joy or delight. This is a direct synonym for 'exult'.
• 'Lament' means to express passionate grief or sorrow.
• 'Mourn' means to feel or show deep sorrow or regret for (someone or their death), typically by abstaining from normal activities.
• 'Grieve' means to feel intense sorrow.
Therefore, 'Rejoice' is the correct synonym.