Out of the given alternatives, choose the one which is nearest in meaning to the italicised part of the sentence.
Quite unabashed, he began his scholarly lecture on what was obvious to everyone.
Italicized word ‘unabashed’ means shameless or not embarrassed. So, the meaning of the word is option A ‘unashamed’, which means acting openly without any guilt or embarrassment. Option B ‘unimpressed’ means no admiration or interest. Option C ‘unnerved’ means making someone lose courage or confidence. Option D ‘unchecked’ means not examined or checked. Thus, the meaning of the word ‘unabashed’ is option A.