Question: Which of the following can be used to determine whether the employ.txt file exists? a. If IO.File.Exists(employ.txt) Then b. If IO.File(employ.txt).Exists Then c. If IO.Exists(employ.txt)

Which of the following can be used to determine whether the employ.txt file exists?
a. If IO.File.Exists("employ.txt") Then
b. If IO.File("employ.txt").Exists Then
c. If IO.Exists("employ.txt") = True Then
d. If IO.Exists.File("employ.txt") = True Then

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