A hypertensive individual had a sudden headache and became unconscious within a few minutes.On regaining consciousness,there was complete flaccid hemiplegia with no involvement of upper face,absence of tendon reflexes and a positive Babinski sign.Which one of the following arteries could have ruptured:

• A. Lateral striate branch of middle cerebral
• B. Medial striate branch of anterior cerebral
• C. Posterolateral branch from posterior cerebral
• D. posterior choroidal branch of posterior cerebral