Gabby Flips a Fair Coin and It Comes Up Heads

Gabby flips a fair coin and it comes up heads.Gabby suffers from the gambler's fallacy if:

A) she thinks the coin will come up heads on the next flip because it came up heads on the previous flip.
B) she is more willing to bet on the outcome of the next flip.
C) she thinks the coin is less likely to come up heads because it came up heads on the previous flip.
D) she thinks the coin is equally likely to come up heads or tails on the next flip.