For questions 13-17, choose the person who is speaking. Write one letter(

Certainly I can give you some example. Factory farming is very bad for the environment, but it makes factory farming companies very high profits; companies aren’t concerned about the destruction of the rain forest and they are often not concerned about the conditions their workers work in.

We solemnly promise here that we will uphold professional ethics, abide by the law, improve management, take strict quality control of raw milk, perfect after-sales services and take full responsibility for every step in providing our products.