What Did Ainsworth and Colleagues Find About Older Infants Whose

What did Ainsworth and colleagues find about older infants whose mothers who were quick to respond to their cries when they were very young?

A) They cried frequently, because they had been reinforced for crying.
B) They cried no more or less than infants who had been responded to less quickly.
C) They cried very little, because their mothers had also responded to noncrying modes of communication.
D) They never cried, because they had their mothers so well "trained" to attend to their needs that they no longer needed to communicate by crying.