The correct answer is (C) To bounce (on the knees or in arms); To hold (a baby, child, etc.) on one's knee or in the arms and swing him up and down lightly to amuse him; to dance (baby, child, etc.) on knee or in arms. To pamper.

Dandle comes from Italian dandolare (to reduce in amount, degree, etc; to lessen or diminish)

Examples of use:

• She dandled the household cat while waiting.
• The grandparents loved to dandle the child.