What Is the Major Difference Between the Strategies of Caulobacter

What is the major difference between the strategies of Caulobacter and Proteus in nutrient acquisition?

A) Caulobacter increases its own cell surface area while Proteus covers more nutrient-containing surface area to improve nutrient absorption
B) Proteus increases its own cell surface area while Caulobacter covers more nutrient-containing surface area to improve nutrient absorption
C) Caulobacter uses pili to attach to new surface areas while Proteus uses axial filaments for enhanced motility
D) Proteus uses pili to attach to new surface areas while Caulobacter uses axial filaments for enhanced motility
E) None is a correct statement