Ten-Month-Old Juan Falls, Skins His Knee, and Notices His Mother

Ten-month-old Juan falls, skins his knee, and notices his mother grimace and look upset. A second or two later, Juan begins to cry. Juan's crying behavior

A) is prompted, in part, by social referencing
B) illustrates his knowledge of emotional display rules
C) illustrates his self-awareness
D) reflects his deceitful attempt to manipulate his mother's emotions