Leonard Is Changing His Four-Month-Old Son's Diaper, and Afterwards He

Multiple Choice

Leonard is changing his four-month-old son's diaper, and afterwards he gets him into his pajamas. While easing the little guy's foot into the sleeper, he inadvertently strokes the boy's foot and is surprised to see the toes immediately fan out. He does it again to the other foot, and gets the same response. Leonard has accidently stumbled upon his son's ____ reflex.

A) ​rooting
B) ​palmar
C) ​Moro
D) ​Babinski