Which of These Statements Is True About Karen Wynn's (1992)

Which of these statements is true about Karen Wynn's (1992) second experiment?

A) Infants performed as well as adults in calculating the answers to simple mathematical problems
B) Infants had the longest looking time for (1 + 2 ) = 3, compared to (1 + 1 = 2) or (1 + 1 = 1)
C) Infants had the longest looking time for (3 - 1 ) = 1, compared to (2-1 = 1) or (1-1 = 1)
D) Wynn speculated that infants have very precise expectations of the results of these subtractions
E) Wynn speculated that infants have very precise expectations of the results of these additions