The diagram illustrates one method for investigating the effect of an antibiotic on bacteria. The table presents the results from tests on five different types of bacteria. Zones of less than 13 mm indicate the presence of resistant bacteria. Which statement is supported by these data?
- ABacteria become more 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 all the types of bacteria.
- DType 5 of the bacteria can never become resistant to the antibiotic.