. The urban planners are working for Eco Infrastructure Network, whose main function is to deal with urban environmental

Mark the letter A, B, C, or D to indicate the word(s) CLOSEST in meaning to the underlined word(s) in each of the following questions.

Question. The urban planners are working for Eco Infrastructure Network, whose main function is to deal with urban environmental problems to make Super Star City greener, cleaner, and more sustainable.