A Friend of Yours Has Recently Grown a Beard

Multiple Choice

A friend of yours has recently grown a beard. When you encounter him, you realize at once that something about his face has changed, but you are not certain what has changed. We can conclude from this that:

A) you detected the decrease in fluency in your recognition of your friend's face
B) your memory of your friend's face is influenced by state-dependent learning
C) you are displaying an instance of source amnesia
D) you are being influenced by the fact that there are fewer men with beards than men without beards