Public Sub Answer_Key()
Dim COLORLESS As Long
COLORLESS = RGB(255, 255, 255)
Dim Options_Array() As Variant
Options_Array = Range("A1:D1").Value
Dim wrk_range As Range
Set wrk_range = Range("A2:D36")
For Each cell In wrk_range
If cell.Interior.Color <> COLORLESS Then
Cells(cell.Row, "E").Value = Options_Array(1, cell.Column)
End If
Next
Columns("E").EntireColumn.AutoFit
End Sub