Which figure depicts an expected developmental milestone for a 7-month-old infant?

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By 6 to 7 months of age, infants are able to bear all their weight on their legs with assistance. Infants can stand holding on to furniture at 9 months. While standing, the infant takes a deliberate step at 10 months. Crawling (propelling forward with the belly on the floor) progresses to creeping on hands and knees (with the belly off of the floor) by 9 months.

Which Figure Depicts an Expected Developmental Milestone for a 7-Month-Old