Ten-year-old Sammy watched his friends jump off the high dive at the community pool. At first he refused to do so until his friends called him a "chicken." He then jumped off the high dive. Sammy's behavior is illustrates

Which of the following is an example of proximodistal pattern of growth? (a) abbey learning to sit first before learning to stand or crawl (b) alex learning to move his eyes before learning his first words (c) colin learning to stare at moving objects before trying to touch them with his hands (d) polly learning to grab the objects with her whole hands before learning to pick them up with her fingers