According to the interviewee, how do bacteria develop resistance？A．Some bacteria are so st

According to the interviewee, how do bacteria develop resistance？

A．Some bacteria are so strong that drugs can"t get into the cells.

B．Some bacteria are able to drive the drugs out of their cells.

C．Some bacteria are able to hide behind other ones.

D．Some bacteria can reproduce before they are killed by drugs.

请帮忙给出正确答案和分析，谢谢！