A divorced woman died recently. She split from her husband five years ago and had a clean break settlement. However, neither hadRemarried and they remained close friends until her death. The woman was estranged from her daughter after she abandoned her university studies to marry at the age of 18. The daughter, now aged 45, is a teacher and earns a good salary, but attempts at reconciliation over nearly 25 years have failed. The deceased did remain on good terms with her mother and brother. In the last two years, she contributed to her mother's private care home fees and she appointed her brother to be the executor in her will. When the will was read her family was very shocked, disappointed and worried that she had gifted her large estate to four charities. They are considering a challenge to the will.Who, if anyone, might be successful in such a claim? Choose the single best answer:
选项：

A: The deceased's ex-husband, daughter, mother and brother
B: The deceased's ex-husband and daughter
C: The deceased's mother, brother and daughter
D: No one
E: The deceased's mother