Answer the following question given this paragraph: 

Some fungi have a different kind of relationship with plants. They are plant parasites. They get food from the plants and cause harm to the plants in return. Fungi are the major causes of disease in agricultural crops. They may eventually kill their plant hosts.


Q: What is the major cause of disease in agricultural crops?

 Choices:

- bacteria

- drought

- pollution

- fungi

A:
fungi
