He said while ______ in the countryside, he ______ a lot of hardships and of course learned a lot.

A．worked, got through

B．working, went through

C．was working, experienced

D．has worked, experienced

自明清以来，小说就在中国老百姓之中广为流传。康有为甚至认为，在那个时代，“经史不如八股盛，八股无如小说何。郑声不倦雅乐睡，人情所好圣不阿。”出现这种现象的主要原因是（）

①城市商品经济发展②市民阶层壮大③小说的世俗性④重商观念形成

A.①③④

B.①②③④

C.①②④

D.①②③