Step 1: Understanding the Concept:
This question tests the knowledge of developmental milestones in children and the age at which they typically occur.
Step 2: Detailed Explanation:
Two word utterances (A):
Typically appear around 18-24 months (III) when children start combining words to form simple sentences.
Motor Development (B):
Follows the cephalo-caudal (I) pattern, meaning development proceeds from head to toe.
Walking independently (C):
Usually achieved between 9-17 months (IV), with most children walking by 12-15 months.
Autonomy (D):
Develops during the 1-3 years (II) period, as described by Erikson's stage of autonomy vs. shame and doubt.
Step 3: Final Answer:
Thus, the correct matching is A-III, B-I, C-IV, D-II, which corresponds to option (B).
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