A 62-year-old with acute left hemiparesis began symptoms 90 minutes ago. BP is 196/112 mm Hg, glucose 118 mg/dL, CT head shows no hemorrhage, and he takes no anticoagulants. What is the next best step?AGive aspirin 325 mg now and admit to stroke unitBStart unfractionated heparin infusionCWait for blood pressure to normalize spontaneously before treatmentDLower BP to <185/110 mm Hg with IV antihypertensive and administer IV alteplaseEAdminister alteplase immediately without addressing blood pressureCheck my answer