About the specific presumption,which of the following are correct?

A、A person who faces criminal trial is presumed sane until the opposite is proved. ;
B、The accused shall be presumed innocent until proven guilty by trial.;
C、A person is presumed to have testamentary capacity until there is evidence to undermine thatpresumption.;
D、A husband is the biological father of a child born to his wife during the marriage, or within nine months after the marriage is ended by death, legal separation, or divorce.