Which of the Below Statements Reflect the Principal Findings of Robert

Which of the below statements reflect the principal findings of Robert Cooper's (1984) study? (I) 10-month-old infants dishabituated to the "equal to" only; (II) 10-month-old infants dishabituated to the "reversed relation" only; (III) 14-month-olds dishabituated to "less than" and understand relational reversals; (IV) 14-month-olds dishabituated to the "equal to" only.

A) I, II
B) I, III
C) I, IV
D) II, III
E) III, IV