Answer:
d. All of the above
Step-by-step explanation:
Suppose a student needs help regarding any technical issue like computer is not working, or he/she cannot open the file, or any problem with a link, then he can ask your facilitator for help, or he can call or email the support center, or he can look for help in the student resources section as well of the course. Hence, all the options are correct. And hence the correct answer is d.