The first one would be the answer I think
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.
The narrator's friend suggested that he ask Wheeler about Leonidas Smiley because he think that person is made up.
Please list a sentence so we can answer :/