Which of the Following Describe the Motor Abilities of an Infant/child

Which of the following describe the motor abilities of an infant/child between 9 and 12 months of age?

A) Walks alone with wide base of support,crawls upstairs,and squats when playing
B) Changes direction when running,walks backward,and attempts to kick a ball
C) Stands supported,cruises in standing while holding onto furniture,and walks with hand held or alone
D) Rolls supine to prone,sits without support,and takes weight through feet and steps if held upright