Correct answer choice is:
C. Crawling.
Step-by-step explanation:
Child development is a manner each baby goes through. This means includes learning and mastering abilities like sitting, walking, speaking, etc. Kids acquire these skills, named developmental milestones, throughout expected time periods.
Milestones occur in a subsequent order. This indicates that a kid will require to progress any skills before he or she can acquire new skills. For instance, kids must initial learn to crawl and to pull up to a standing pose before they are ready to step. But usually, kids skip crawling and try to walk. That may be because the stage is so varied in terms of style and duration.