How could the following sentence be rewritten as a declarative sentence? does the short tail of the saber-toothed tiger indicate that it does not chase its prey?

Ano change is necessary.
Bthe short tail of the saber-toothed tiger indicates that it does not chase its prey.
Cthe short tail of the saber-toothed tiger indicates that it does not chase its prey!
Dtell someone that the short tail of the saber-toothed tiger indicates that it does not chase its prey.