Final answer:
Winston's chronic physical problem in George Orwell's '1984' is a bad knee, which is actually described as a varicose ulcer above his right ankle, symbolizing the oppressive society.
Step-by-step explanation:
The chronic physical problem that Winston has in George Orwell's novel 1984 is A) A bad knee. Throughout the novel, it is described how Winston suffers from a varicose ulcer above his right ankle, causing him discomfort and pain. This problem is symbolic of the oppressive state of Oceania, where the protagonist lives, as it serves as a constant reminder of his deteriorating condition under the Party's control.