A 71-year-old presents 3 hours after sudden right-sided weakness and aphasia. CT head shows no hemorrhage. BP is 198/112 mm Hg. Which is the most appropriate next step?AGive IV alteplase immediately at current BPBDefer reperfusion therapy; start aspirin 325 mg nowCProceed to mechanical thrombectomy onlyDLower BP below 185/110 mm Hg and administer IV alteplase within the treatment windowETarget BP <160/90 mm Hg before alteplase, then give tPACheck my answer