Which of the following statements regarding economic and technological efficiency is most accurate（）

A. A productive process cannot be technologically efficient unless it is economically efficient.

B. A technologically efficient production process uses the least amount of nonrenewable resources per unit of output.

C. An economically efficient production process must be technologically efficient.

突触后抑制时，下列哪种情况不会出现（）

A.突触前膜释放神经递质

B.突触后膜Cl内流

C.突触后膜超极

D.兴奋性突触后电位

E.突触后膜的兴奋性降低