How many times will the body of the following loop be run?

secret = input("Guess my secret: ")
while secret != "I am a superhero":
secret = input("Guess my secret: ")
print("Good guess")
Select one:

a.
1

b.
0

c.
It depends on the user's input

d.
Once for each character in "I am a superhero"

c. It depends on the user's input