The neonate’s big toe dorsiflexes and the other toes fan when the nurse gently strokes the sole of the foot. The nurse should interpret this positive finding as which of the following

A. Stepping reflex.
B. Plantar grasp.
C. Galant reflex.
D. Babinski sign.

请将下列各植物类群与对应的植物连接起来

A藻类植物               a银杏

B蕨类植物               b海带

C裸子植物               c肾蕨