Find out whether there is any grammatical error in below sentence: Our history can be seen / as a long evolutionary dialectical development / in which there have been / a painstaking forgiving of rational and moral self.

• A. a painstaking forgiving of rational and moral self
• B. as a long evolutionary dialectical development
• C. Our history can be seen
• D. in which there have been
• E. No error

Answer: (D)