The Key Conclusion That One Might Draw from Weber's Law

The key conclusion that one might draw from Weber's law, Fechner's law, and Steven's power law is

A) sensation requires constant decision making to identify meaningful stimuli
B) there is not a one-to-one correspondence between physical stimuli and psychological interpretation
C) there is a minimal amount of physical energy needed for someone to notice a stimulus
D) sensation has a direct relationship to physical stimuli, although psychological experience is not an exact copy of external reality