Question

A butterfly that can hear through its wings/
3. Butterfly identified
by the scientists from the
University of Bristol
D) has been identified
was identified
illis identified
iv) had been identified
unharmed by
4. Abducted Bengal Cop released by Maoists.
Two days after being taken hostage, police officer A Dutt
Maoists in Lalbagh
i) was released
W) has been released
ii) is released
iv) had been released​

Answer 1

Answer:

3) Had been identified, unharmed

4) was released