It is crucial that urban people not look down on rural areas. A. evil B. optional C. unnecessary D. vital2/15Mark 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. It is crucial that urban people not look down on rural areas.evil optionalunnecessaryvitalGiải thíchĐáp án: D Từ mới: Crucial = vital (cực kì quan trọng)