‍Which film of Hitchcock was often cited as the first British sound feature film?‏ A: The Lodger: A Story of the London Fog B: Rear Window C: Vertigo D: Blackmail

Acute leukemia patients with<br/>severe bleeding, which is the most<br/>critical symptoms? () A: vertigo, tinnitus B: a sudden abdominal pain C: Headache, vomiting D: Blurred vision E: The naked eye hematuria