If Klaus and Kennell's "Sensitive Period" Hypothesis Were Correct, Then

If Klaus and Kennell's "sensitive period" hypothesis were correct, then we would expect that _____ .

A) parents who had no contact with their infant during the sensitive period would not be as strongly attached to their infant as those who had had early contact with their babies
B) adoptive parents should be less closely attached to their infants than biological parents are
C) both of these
D) none of these