Bacteria are single-celled microorganisms that are present almost everywhere. In human bodies, some bacteria live in the stomach where they help to break down food. Which claim does this evidence BEST support?
A The evidence supports the claim that microorganisms need humans to survive. B The evidence supports the claim that all microorganisms are harmful.
C The evidence supports the claim that microorganisms do not affect the human body.
D The evidence supports the claim that some microorganisms are beneficial