Problem: In the morning upon waking a 65-year old patient developed weakness in the right side limbs, speech disorder, decreased sensitivity of the left side of the body. On examination: conscious, BP 100/60 mm Hg, motor aphasia, right-sided central hemiparesis and hemihypalgesia. Make the preliminary diagnosis: Need Assignment Help? A. Ischemic stroke B. Hemorrhagic stroke C. Encephalitis D D. Brain tumor E. Subarachnoid hemorrhage