A 36-year-old right-handed healthy woman develops abrupt difficulty in producing words, essentially becoming completely mute over the course of a few minutes. Motor function and comprehension are...

A 36-year-old right-handed healthy woman develops abrupt difficulty in producing words, essentially becoming completely mute over the course of a few minutes. Motor function and comprehension are retained. She takes oral contraceptives and is an avid smoker. Her medical history is notable only for a patent foramen ovale. What is the most likely cause?

A. Paradoxical fat embolism to the left temporal lobe, causing embolic infarct

B. Thromboembolism to the left posterior frontal lobe, causing embolic infarct

C. Right frontal lobe hemorrhage

D. Acute right internal carotid occlusion

E. Septic emboli to the left parietal lobe, causing hemorrhagic infarct