The correct answer option is B
The term abiotic in the rain forest refers to the nonliving component in the forest.
Water is the non living component of the forest ecosystem. It has no life. although it is an important component of the living system in the forest but it is not living part.
The other options like the trees, animals , bacteria are the living components of the rain forest.
Hence, water has no life and is the abiotic component.