What General Cognitive Skill May Support Adaptation to Variations of the Sound

Multiple Choice

What general cognitive skill may support adaptation to variations of the sound categories in speech?

A) Managing attention to adjust the weights of multiple sound cues in speech
B) Managing attention to think of how the sound really ought to be produced
C) Refreshing working memory more often by forgetting recent exposures
D) Actively perceiving every acoustic detail as if it might become relevant in identifying phonemes