The doctor warned his patient not to take too much sugar.9/15Mark 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. Question. The doctor warned his patient not to take too much sugar.shoutedthreatenedpunishedcautionedGiải thíchĐáp án D Warn = caution (khuyến cáo)