The correct answer is option A.There are certain rules to be followed in report writing:The active voice should be used. The writer should ensure the use of correct and good grammar and punctuation.The vocabulary should be comprehensive and use of jargon is not advisable. Use of jargon does not contribute in any way to a well-written report.The question is on which option is not a characteristic of a well-written report.Option A is the correct answer as the remaining 3 options are the characteristics of a well-written report.