Correct Answer & Explanation
Option C
The word 'EFFACE' means to erase a mark from a surface or to make oneself appear insignificant. 'Obliterate' (মুছে ফেলা, নিশ্চিহ্ন করা) is a direct synonym, meaning to destroy completely. 'Preserve', 'Restore', and 'Highlight' are antonyms, implying to keep, bring back, or draw attention to.