The strName variable contains the string Doe Jane. Which of the following changes the variables contents to

Question:

The strName variable contains the string “Doe Jane”. Which of the following changes the variable’s contents to the string “Doe, Jane”?
a. strName = strName.Insert(3, ",")
b. strName = strName.Insert(4, ",")
c. strName = strName.AddTo(3, ",")
d. None of the above.