Step 1: Understanding attachment styles.
Attachment styles describe characteristic patterns of emotional bonds formed between infants and caregivers. Step 2: Explaining resistant attachment.
Children with resistant (ambivalent) attachment show clingy behaviour but also resist or reject comfort from the caregiver upon reunion. Step 3: Eliminating other options.
Avoidant attachment involves emotional distancing, secure attachment shows comfort-seeking and ease of interaction, and disorganized attachment involves inconsistent or confused behaviours. Step 4: Conclusion.
Therefore, resistant attachment best fits the described behaviour. Final Answer: (A)