根据下列内容，回答186-190题。Success is often measured by the ability to overcome adversity. But, it is often the belief ofothers that gives us the courage to try.J. K. Rowling, author of the Harry Potter book series, began writing at age 6. In herbiography, she remembers with great fondness when her good friend, Sean, whom she met insecondary school, became the first person to encourage her and help build the confidence that oneday she would be a very good writer."He was the first person with whom I really discussed my serious ambition to be a writer. Hewas also the only person who thought I was bound to be a success at it, which meant much more tome than I ever told him at the time."Despite many setbacks Rowling persevered in her writing, particularly fantasy stories. But itwasn't until 1990 that she first conceived the idea about Harry Potter. As she recalls, it was on along train journey from London to Manchester that "the idea of Harry Potter simply fell into myhead. To my immense frustration (沮丧), I didn't have a functioning pen with me, and I was tooshy to ask anybody if I could borrow one. I think, now, that this was probably a good thing,because I simply sat and thought, for four(delayed train) hours, and all the details bubbled up inmy brain, and this scrawny, black-haired, bespectacled boy who didn't know he was a wizardbecame more and more real to me."That same year, her mother passed away after a ten-year battle with multiple sclerosis, whichdeeply affected her writing. She went on to marry and had a daughter, but separated from herhusband shortly afterwards.During this time,Rowling was diagnosed with clinical depression. Unemployed,shecompleted her first novel in area cafes, where she could get her daughter to fall asleep. After beingrejected by 12 publishing houses, the first Harry Potter novel was sold to a small Britishpublishing house.Now with seven books that have sold nearly 400 million copies in 64 languages, J. K. Rowlingis the highest earning novelist in history. And it all began with her commitment to writing that wasfostered by the confidence of a friend !Who believed J.K.Rowling was to be a good writer?__________
A.Her friend SeanB.Her motherC.Her daughterD.Her husband