Which of the following narrative details does not support the topic sentence? Topic Sentence: When ...

Which of the following narrative details does not support the topic sentence?
  Topic Sentence: When I found out my mother had breast cancer, I realized how important
  she was in my life.
 
  a) She took my hand and said, Sweetie, the doctor says I have cancer, and I grabbed
  and hugged her as if that would keep her with me.
  b) Having her home cooking dinner every day when I got home from school or work
  was suddenly something to treasure, and I hurried home every day.
  c) I began calling her on the phone during the day just to hear her say my name in her
  sweet, gentle voice.
  d) When my father first heard her diagnosis, he said, There's been a mistake. Find
  another doctor.