A. engaged and attentive reading
Charlie Wyatt bequeathed c. his collection of books to the local library
The posterity b. of any nation has the right to blame their predecessors for their suffering.
Bequeath means leave or pass some property from one to another.
Posterity means all future generations.
Answer:
It is A
Explanation
The grammar suggested as A cause IT IS ONLY A MATTER OF TIME. And the question is the corona outbreak WILL CAUSE tremendous economic loss. Might be B... but more like A.