下列情况下,引起突触前神经元轴突末梢释放神经递质是
A Cl<img border="0" alt="" src="https://img.weimei168.com/uploads/upimg/20230301/8086648_0.gif">内流 B
Ca<img border="0" alt="" src="https://img.weimei168.com/uploads/upimg/20230301/8086648_0_1.gif">内流 C
Na<img border="0" alt="" src="https://img.weimei168.com/uploads/upimg/20230301/8086648_0_2.gif">内流 D
K<img border="0" alt="" src="https://img.weimei168.com/uploads/upimg/20230301/8086648_0_3.gif">外流 E
Mg<img border="0" alt="" src="https://img.weimei168.com/uploads/upimg/20230301/8086648_0_4.gif">外流