Final answer:
Option (A), In Orthodox Judaism, women cannot become cantors and rabbis, whereas other branches of Judaism have opened up these opportunities for women.
Step-by-step explanation:
In the branch of Judaism where women cannot become cantors and rabbis is Orthodox Judaism.
Orthodox Judaism holds traditional and conservative beliefs regarding the roles of women in religious leadership.
On the other hand, Conservative, Reform, and Reconstructionist branches of Judaism have gradually opened up opportunities for women to become cantors and rabbis.