I have done this at school, the answer is definitely C!
Answer: yessssssssssss
Explanation: lets be boys
The correct answer is sense organs.
When a baby is having a bath, several of his sense organs are being stimulated simultaneously, which is generally enjoyable for babies since they have a keen sense of curiosity and take delight in exploring new stimuli and sensations. To specify, during a bath, the baby has visual stimuli to look at (bubbles, water, etc.), pleasant fragrances (from the soap) and sounds (splashing).