Indicate the correct sentence:

A. He sit down for so long that he has pain in his backbone

B. He sat down for so long that he has pain in his bankbone

C. He has been sitting down for long that he has pain in his backbone

D. He was sitting down for so long that he sad backbone pain

সঠিক উত্তরঃ C. He has been sitting down for long that he has pain in his backbone

Explanation:

ওয়েবসাইট ব্যবহার করতে আপনার গুগল একাউন্ট দিয়ে লগইন করা বাধ্যতামূলক।