Find out whether there is any grammatical error in below sentence. We fail to understand / why do most educated people / lose their temper even / without any apparent reason.

The correct answer is: E. No error

The sentence is grammatically correct. The word “even” is used to add emphasis to the fact that educated people lose their temper even when there is no apparent reason for them to do so. The word “without” is used to introduce a clause that provides additional information about the reason why educated people lose their temper. The sentence is clear and easy to understand.