单项选择题

A.中气虚弱,寒热互结之痞
B.脾虚气滞,寒热互结之痞
C.胃气虚弱,痰浊内阻之痞
D.脾胃虚弱,食积内结之痞
E.湿热食积,内阻肠胃之痞