A patient of 8years-old attends your clinic he has class
I incisor relation upper and lower incisors shows slight crowding. Right upper and left lower primary first molars
recently extracted due to caries line of treatment is: (A) Extraction of Left upper and right lower primary first molars to relieve crowding, (B) Extract all primary canines to relive crowding, (C) Fix space maintainers, (D) Await until premolar erupt
Answer is A. None