A. CA和CDCA浓度增加,但以CDCA为主,CA/CDCA<1 B. CA和CDCA浓度增加,但以CA为主,CA/CDCA>l CA和CDCA浓度增加,但以CA为主,CA/CDCA<1 D. CA和CDCA浓度增加,但以CDCA为主,CA/CDCA>1 E. CA和CDCA浓度减少,但以CDCA为主,CA/CDCA>1