I mean I don't agree with this statement but I think its D
I think the answer is B. People concerned about the environment are likely to buy eco-cars. This may or may not be the correct answer. I think I got this wrong. Sorry if the answer isn't correct.
Good manners convey respect to those you interact with, and also commands respect from those you interact with. Right conduct is living in a moral and ethical way in the absolute sense rather than by the standards of any particular time or society nation
Hope This Helps;)