Какое предложение соответствует правильному выбору косвенной речи: I will promise Ill

Какое предложение подходит правильному выбору косвенной речи: I will promise Ill write to you as soon as I arrive, Samat, said Asem. A Asem promised Samat that she would write to him as soon as she will arrive. B Asem promised Samat that she would write to him as soon as she arrives. C Asem promised Samat that she would write to him as soon as she arrived. D Asem promised Samat that she would write to him as soon as she would arrive. E Asem promised Samat that she will write to him as soon as she arrives.