ব্যাখ্যা
The correct answer is (b) paid.
Word Analysis:
— Honorary (Adjective): describing a position or title given as an honour, without payment or official duties. A person in an honorary position does the work voluntarily, without receiving a salary.
Example: He was given an honorary degree. / She works as an honorary secretary.
Antonym: paid (বেতনভুক্ত, পারিশ্রমিকপ্রাপ্ত)
— Honorary = unpaid → Antonym = paid ✓
✗ 'honour' — this is the noun form, not an antonym.
✗ 'monetary' — related to money, but not the direct antonym.
✗ 'respect' — unrelated to honorary in this context.
Source: Oxford Advanced Learner's Dictionary; Merriam-Webster.