“通因通用”适用下列哪种疾病（）。

A.脾虚所致之泄泻

B.肾虚所致之泄泻

C.食积所致之泄泻

D.寒湿所致之泄泻

E.肠虚滑脱之泄泻

Passage Four

The speaker presents the passage by the following logic:

A．Induction.

B．Deduction.

C．Cause and Effect.

D．Comparison and Contrast.