Answer:
D. convergent
Explanation:
-Assail means to be critical about someone or something.
-Recur means that something happens again.
-Spectral refers to something that looks similar to a ghost.
-Convergent means that something is getting closer to another point.
According to this, the answer is that while serious areas of disagreement remain, our views are now more convergent as the idea is that there are still disagreements, but the views are getting closer.
