Which of the following statements by the parent indicates to the nurse an understanding of the teaching?

The correct answer is B because it demonstrates the parent's understanding of potential behavior changes in the toddler after the sibling's birth, such as seeking comfort from a pacifier. This statement shows awareness and preparedness for the toddler's emotional needs. Choice A is incorrect as it doesn't address the toddler's emotional adjustment. Choice C might create anxiety for the toddler as they may not fully comprehend the concept of time. Choice D assumes the toddler's perception of the baby as a playmate, overlooking potential jealousy or insecurity issues.