单项选择题
The female patient, aged 70, has impaired anterograde memory and comprehensive loss of intelligent activities. She finds it difficult to do even the easy housework. She cannot give the correct answers about her name and age. She has no feeling of hunger or fullness, cannot find the way back home, and behaves naively. What may be the most likely diagnosis for this patient?
A.Early senile dementia
B.Middle-stage senile dementia
C.Advanced senile dementia
D.Depressive pseudodementia