What Impact Did the Introduction of Chinese Household Patterns Have

What impact did the introduction of Chinese household patterns have on Japan?

A) There was no impact, because the Japanese already practiced patriarchal authority and patrilineal descent.
B) The importation of Chinese household patterns strengthened the role of women in the Japanese household.
C) Japanese women, who had enjoyed great authority within the household in early Japan, lost ground with the imposition of patriarchy and patrilineal descent.
D) Matriarchal authority remained unaffected in Japanese households, but descent changed from matrilineal to patrilineal patterns typical of China.