It was 10 years of hard work that his success in businessA. led toB. turned toC. belonged

问题补充：

It was 10 years of hard work that his success in business．

A. led to

B. turned to

C. belonged to

D. replied to

答案：

(答案→)A. led to

B. turned to

C. belonged to

D. replied to

解析：考查固定短语。句意;正是十年的辛苦努力，导致他生意上的成功。故选A .B turn to指的转向…，belong to 属于… ,reply to 回复….故选A。