Answer: d) Avoid a neutral or buffered opening
Step-by-step explanation: A newsletter is a piece of a report that is having knowledge about the activities of the business ,organizations,their members and owner etc.When the news letter contains contains a disappointing news it should not not have a buffered or neutral opening .The start of the news letter should not be impartial or prejudiced to make bad opening. Therefore, option(d)is the correct option.