题目内容：
根据以下材料回答第 1～4 题：Passage Three
Three women who secretly buried an 80-year-old woman were put into prison at Birmingham yesterday．Two of them，including the dead woman’S daughter，kept on collecting her pension(退休金)after her death until their secret was made known to others twp years later．The court(法庭)heard that one of the women put on“an Oscar(奥斯卡金奖)winning perfomance"by pretending to be the old worflan asleep in bed when a social worker called five months after Mrs．Townsend’s death．
Mrs．Townsend’s death had been covered up and it was discovered ．
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