Imprinting and Sensitivity Periods in Learning Remind Us That ________

Imprinting and sensitivity periods in learning remind us that ________.

A) all forms of learning depend on rewards and reinforcement, at least to some degree
B) punishment is more effective in changing behavior than negative reinforcement
C) certain kinds of experiences are more or less easily learned at different periods in life
D) the mind is a blank slate, able to learn anything at any time, given the right reinforcement