Which of the following best describes what this fragment of code does when the current player achieves a score which is higher than the current high score?
if current_score > high_score:
high_score = current_score
a) Updates the high score only if it's lower than the current score.
b) Updates the high score regardless of the current score.
c) Does not update the high score.
d) Removes the high score from the record.