Tia is most likely in stage 5 sensorimotor stage.
Option: C
Explanation:
The sensorimotor stage is Jean Piaget's first of four phases suggested to explain the cognitive development of babies, kids and teenagers. The word included when he assumed that children relied on their senses and their physical skills to comprehend their environment. In the sensorimotor stage, cognitive development included six sub-stages. Here Tia is going through stage 5 of such growth as explained above, this stage involve circular tertiary responses of toddlers aged 12 to 18 months, at this point are imaginative and learn new activities. Instead of continuing the same behaviors they try variants of their initial actions.