Read the text and choose the correct part to complete the sentence.
It was tough for me, too. I felt very guilty about her illness – that somehow it was my fault, and I was a bad mother who had caused her daughter so much anxiety she had started to starve herself. But we’ve managed to get through it together. Now Sarah is looking forward to starting university, the colour has returned to her cheeks and she is back to being the vibrant young woman she was before the whole dreadful nightmare started.
The writer felt guilty because ...

• she wasn’t a good mother.
• she knew that the condition was all her fault.
• she had been too tough on her daughter.
• her daughter was never the same again.