You are answering a USMLE-style medical question. Question: A 54-year-old man presents with the acute onset of seizures and hallucinations. The patient’s wife says that he had been on a camping trip a few months earlier to study bats but otherwise has not traveled recently. Past medical history is significant for hypertension, managed medically with hydralazine and enalapril. The patient’s condition rapidly deteriorates, and he passes away. An autopsy is performed and a histologic stained section of the brain is shown in the image. Which of the following receptors are targeted by the pathogen most likely responsible for this patient’s condition? Options: A) CCR5 B) Acetylcholine receptor C) ICAM-1 D) GABA Reply with ONLY the letter of the correct answer (A, B, C, or D). No explanation.