IPSP的产生主要由于突触后膜对下列哪种离子通透性增高所致
A Mg<img border="0" alt="" src="http://www.weimei168.com/uploads/upimg/20230104/8563258_0.gif"> B
Ca<img border="0" alt="" src="http://www.weimei168.com/uploads/upimg/20230104/8563258_0_1.gif"> C
Clˉ D
Na<img border="0" alt="" src="http://www.weimei168.com/uploads/upimg/20230104/8563258_0_2.gif"> E
K<img border="0" alt="" src="http://www.weimei168.com/uploads/upimg/20230104/8563258_0_3.gif">