Correct Answer & Explanation
Option D
• 'Abash' means to make someone feel embarrassed, uncomfortable, or ashamed (বাংলা অর্থ: অপ্রস্তুত বা কুণ্ঠিত করা).
• 'Confound' means to surprise and confuse someone thoroughly, acting as an appropriate synonym in this context.
• 'Proficient' means competent or skilled.
• 'Plentiful' means existing in large amounts.
• 'Addition' means an added part or increase.