A mother is unsure about the type of toys for her 17-month-old child.

(A) Increased locomotive skills make push-pull toys appropriate for the energetic toddler. (B) Infants progress from reflex activity through simple repetitive behaviors to imitative behavior. Hand-eye coordination forms the foundation of other movements. (C) At age 8 months, infants begin to have pincer grasp. Toys that help infants develop the pincer grasp are recommended for this age group. (D) Various large colored blocks are suggested toys for infants 6–12 months of age to help visual stimulation.