Why do toddlers have difficulty concentrating on one thing at a time

when they see another item the catches their interest they more likely to not pay attention to what they were doing it how i toddlers brain works it basically forgets what happened

sadly i believe the answer is d

1. h

2.a

3. i

4. d

5. b

6.f

7.g

8.e

9.c

i hope that this is