B. Solar power saves money for the user and makes the world a better place all around.
A is a personal opinion, C is not specific at al, D is factual, but it doesn't exactly make sense because though it helps the environment it doesn't really sustain our resources. Therefore B is the correct answer.
Answer: I think the author wanted to explain what dogs can and can't do.
Explanation:
I think this because the paragraph talks about how dogs can be so smart and then all of a sudden be chasing a tail that they're never going to catch for an hour.
Good gold goldfish riding a car
