Which Statement Best Describes the Phenomenon of Antibiotic Resistance in Bacteria

Multiple Choice

Which statement best describes the phenomenon of antibiotic resistance in bacteria?

A) For a particular antibiotic, all bacteria are either completely resistant or completely sensitive.
B) When a type of bacteria is resistant to antibiotics, it's resistant to all antibiotics.
C) Resistance is a matter of degrees; resistance can be partial or total, and resistance to each antibiotic is a separate trait.
D) Resistance to antibiotics is a trait that didn't exist before antibiotics were developed for pharmaceutical use.