Answer:
The correct answer will be option-B.
Step-by-step explanation:
The analogy is a concept of comparing the two completely different things based on the similarity between these things and concepts. The concept of analogy is used to explain or make things clear while explaining a thing.
In the given question, since the membrane of the bacteria is compared to the fence of a garden which is two different things, therefore, the analogy will be the correct answer.