You are developing an application that includes thefollowing code segment. (Line numbers are
included for reference only.)
You need to ensure that the application accepts only integer input and prompts the user each time
non-integer input is entered.
Which code segment should you add at line 19?
A.
If (!int.TryParse{sLine, out number))
B.
If ((number = Int32.Parse(sLine)) = = Single.NaN)
C.
If ((number = int.Parse (sLine)) > Int32.MaxValue)
D.
If (Int32.TryParse(sLine, out number))