This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Pediatrics
Which of the milestone develops first – 
Select and explain. 
A. Mirror play, B. Crawling, C. Creeping, D. Pincer grasp
A: Mirror play
Answer: A: Mirror play 
Explanation: A child enjoys watching his own image in the mirror (mirror play) by 6 months.
A child crawls in the bed by 8 months.
Full creeping and crawling develop by 10 months.
Pincer grasps develops by 9 months.