Answer:
B.
Step-by-step explanation:
Parallelism is a literary device that is used to balance two or more ideas equally in a sentence. A sentence that is called parallel are similar in its construction, sound, meter, etc. Repetition of words, phrases are used to create rhythm and meter and flow.
From the given sentences, the expression that exemplifies parallel structure is option B. It is because equal emphasis is given to Angela's response of either getting a refund or to speak with a manager by using repititive word 'to' for emphasizing her actions.
Thus the correct answer is option B.