Under the Common Law Rule, a Husband and Wife Were

Under the common law rule, a husband and wife were incompetent as witnesses for or against each other. The modern rule is that except for confidential communications made to each other during the existence of the marriage:

A) spouses may testify against each other but not for each other.
B) a spouse is allowed to testify as a witness for a defendant spouse.
C) a spouse may never testify against the other spouse regardless of the type of offense or against whom the crime was committed.
D) a spouse may testify in all matters just like an ordinary witness since the competency of a spouse is no longer in question.