Fill in the blank with correct option
If the video clip of the murder had not been shared on social media, the world would likely have remained ______ of the tragedy

Options

A. i) recognised
B. ii) unconfirmed
C. iii) unaware
D. iv) renowned

Explanation

Unconfirmed - not confirmed of truth or validity
Renowned- well known
Unaware- not aware
Recognised- well known Therefore, option
(b) is fit to the contest.