Concept:Nehemiah’s main mission was to restore the security and honour of Jerusalem by rebuilding its broken walls.
Explanation:Nehemiah was a Jewish official serving the Persian king.
He wept when he heard that Jerusalem’s walls were broken and its gates burned.
He returned to Jerusalem and led the people to reconstruct the city walls.
Unlike Zerubbabel, who rebuilt the temple, Nehemiah focused on the walls.
Therefore, his concern for his nation is best shown by rebuilding Jerusalem walls.
Answer:C. reconstructing Jerusalem walls