After three months,Anna wants to the know the average distance she runs.What should she do to calculate the average distance?

A) Enter the text =av in a cell at the end of the distance data;then select the AVERAGE function from the Formula AutoComplete list and then enter the function's argument.
B) Enter the text =ms in a cell at the end of the distance data;then select the MAX function from the Formula AutoComplete list and then enter the function's argument.
C) Enter the text =function in a cell at the end of the distance data;then select the AVERAGE function from the AutoFunction list and then enter the function's argument.
D) Enter the text =su at the end of the data in the Distance column;then select the SUM function from the Select Function list and then enter the function's argument.