单选题 The board of the company has decided to ______ its operation to include all aspects of the Clothing business.
【正确答案】 C
【答案解析】[解析] 四个选项的动词都有“扩大”的意思，但要跟后面的宾语“operation”搭配，只有C项“expand”适合。所以C项为正确答案。