Man did not know that earth moves round the sun until it was -

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Man did not know that earth moves round the sun until it was -

A discoverd

B experimented

C invented

D demostrated

Solution

Correct Answer: Option A

শূন্যস্থানে 'আবিষ্কার হওয়া ' অর্থে discovered বসালে বাক্যটি যথাযথ হয়।