Young and middle-aged people suffer from hair loss, Which of the following descriptions are correct?

A、Hairlossaccompaniedwithfatigueismostlycausedbyqideficiency.;
B、Hairlossaccompaniedwithachingandweaknessofwaistandkneesismostlycausedbykidneydeficiency.;
C、Hairlossaccompaniedwithinsomniaismostlycausedbyblooddeficiency.;
D、Ifthereisnootheraccompaniedsymptoms,itiscongenitalwhitehair.