Read the paragraph from the article. The floating device is designed to be tied down in rivers. It has a shaped nose to keep away larger floating items, like tree trunks. The Interceptors work by guiding plastic waste into an opening in its front. A conveyor belt then carries the trash into the guts of the machine. There, it is dropped into bins. The Interceptor sends a text message to local operators to come and empty it when it is full. How does this paragraph support the main idea of the article?
A.
It shows what problems the "Interceptor" still has.
B.
It explains how the "Interceptor" cleans the rivers.
C.
It shows which countries are using the "Interceptor."
D.
It explains people's reactions to the "Interceptor."