单项选择题
Seeing the fall of Eastern Han, Cao Pi the Wendi Emperor took measures, to remove the political malpractices of the Eastern Han and reinforce imperial power. The measures include, except:
A.Cao Pi restricted the power of the Empress and her relatives.
B.Cao Pi restricted the power of the eunuchs.
C.Cao Pi restricted the power of religions, for example, Buddhism and proto-Taoism. 正确
D.Cao Pi restricted the power of regional princes.