Which of the following statements made by an RBT to a parent shows that the RBT is practicing a "non-judgmental approach?"
a. "I noticed that you've been having difficulty with setting limits for your child. Let's work together to come up with some strategies that might help."
b. "It seems like you're really struggling with parenting. Have you considered seeking help from a professional?"
c. "I can see that you're not doing a great job with your child's behavior. Let's talk about some ways we can improve your parenting skills."
d. "I understand that parenting can be challenging. Let's explore some approaches that might work for your family."