Had I been a millionaire I (establish) a hospital.
সমাধান
সঠিক উত্তর: Option B
Third Conditional এর নিয়মানুযায়ী had + Sub + verb এর Past Participle from + (,) + sub + would/ could/ might + have + verb এর past participle from + ext. বসে ।
যেমন ঃHad I been a millionaire I would have established a hospital.
যেমন ঃHad I been a millionaire I would have established a hospital.