问题：
[单选题]Which of the following is Not a feature of the autonomic nervous system? 以下哪项不是自主神经系统的功能？
AInnervation of glands. 支配腺体。
BInnervation of smooth muscle of the gut. 支配肠道平滑肌。
CInnervation of limb muscles. 支配肢体肌肉。
DInnervation of smooth muscle in blood vessel walls. 支配血管壁的平滑肌。
EInnervation of cardiac muscle. 支配心肌。
