people/ join hands/ deal/ environmental problems/aim/ protect/lives/ us/next generations. A. People should join hands to deal with environmental problems with the aim of protect the lives of us and our next generations. B. People join hands to deal with environmental problems with the aim of protecting the lives of us but our next generations. C. People should join hands to deal with environmental problems with the aim of protecting the lives of us and our next generations. D. People have join hands to deal with environmental problems with the aim of protecting the lives of us and our next generations.