单选题 Why did the author begin to doubt himself after the first year of his writing career?

【正确答案】 B
【答案解析】在文中,作者提到了“I had no prospects at all""After a year or so,however,I still hadn't gotten a break and began to doubt myself”,说明作者是看不到前途的情况下开始怀疑自己的。故应选[B]。