Answer:
B. through your UC email
Step-by-step explanation:
Different universities communicate with their students through their official email domain, may be comprised on their university name. They communicate the information related to registration, advising, classes commencement and many more through the email address that they provide to the students.
In the case of UC communications, it is also an institute, that should have a email with their university domain name. This email is assigned to all of the students. They communicate all the information through the university email address.