Riley Is a Customer Service Representative and Has Just Gone

Riley is a customer service representative and has just gone through training to improve his listening skills. Which of the following skills will make him a better listener?

A) mentally criticizing grammar, voice, tone, and speaking style to get a better sense of what the customer is like
B) tuning out what the customer is saying if he already knows the answer
C) asking clarifying questions that put him in the driver's seat of the conversation
D) dividing his attention among two or more tasks to be more productive because listening is automatic