Can anyone please help with this Spanish question?

Answer: B. ¡Complete la tarea!
Translation: Complete the task!
Explanation: A teacher's instructions to a student, in Spanish, should be made using the formal second-person, "Usted", Since the imperative mode is used, the subject can be implicit. ¡Complete usted la tarea!
[tex]\textit{\textbf{Spymore}}[/tex]