66.
A:
Must relate to relevant facts but need not to be confined to the facts which witness testified in chief examination.
B:
Must relate to relevant facts and needs to be confined to the facts which witness testified in chief examination
C:
Must not relate to relevant facts and need not to be confined to the facts which witness testified in chief examination
D:
Must not relate to relevant facts but needs to be confined to the facts which witness testified in chief examination
The answer is: A