Antoinette is part of a college department creating a number of student files with Microsoft Excel. She is working on a student retention project and wants to produce a worksheet that can alert faculty of student progress and current grade status. Antoinette's workbook has all the data entered and students' current grades displayed. She would like the current grade cells to display the value in red if it is less than 60. Antoinette needs to add to the cell.

A. cell formatting
B. conditional formatting
C. highlighting
D. fill color