问题详情

Why did the author begin to doubt himself after the first year of his writing career？
A．He wasn"t able to produce a single book.
B．He hadn" t seen a change for the better.
C．He wasn" t able to have a rest for a whole year.
D．He found his dream would never come true.请帮忙给出正确答案和分析，谢谢！