a) The cell reference for the selected cells is A:10, B:10, C:10, D:10, and E:10 O b) The cell reference for the selected cells is row 10, column E O c) The cell reference for the selected cells is E4:E5 The cell reference for the selected ells is A10:F10

let's discuss about it:

Here, A is the column name, so, A:10 means the element inside the 10th row of the column A.

Simlarly by showing B:10, C:10, D:10. and E:10 are indicating the element inside the 10th row of the column B,C,D and E.

so, option(A) is correct.