Answer: B) Hyperventilation
Step-by-step explanation:
Hyperventilation is a medical condition in which the person breathe very fast. In this condition the balance of inhalation and exhalation get disturbed. This leads to the reduction in the levels of carbon dioxide as a result of this the low carbon dioxide levels leads to the narrowing of the blood vessels that supplies the blood to the brain.
On the basis of the above description, the low levels of carbon dioxide makes her feel that she cannot get enough air due to the condition of hyperventilation.