Kevin has entered data into seven columns in an Excel spreadsheet, but realizes he cannot read all the information in the third column. Kevin wants his columns to have a uniform appearance. What should he do?

a
Click on the right boundary line of the third column and drag it to a set size.
b
Double click on the right boundary of the third column.
c
Select all the columns, click on the third column boundary and drag to the desired width.
d
CLick on the Format tab and set the column width.