The diagram illustrates one method of investigating the effect of an antibiotic on bacteria. The table presents the outcomes of tests on five different types of bacteria. Zones of less than $13\,\text{mm}$ indicate that resistant bacteria are present. Which statement can be supported by this data?
- AAll the types of bacteria become resistant to antibiotics over time.
- BOnly types 2, 3 and 4 of the bacteria show resistance to the antibiotic.
- CThe antibiotic can be used to treat types 1 and 3 only.
- DType 5 of the bacteria can never become resistant to the antibiotic.