单选题 The board of the company has decided to widen its operation to include all aspects of the clothing business.
【正确答案】 C
【答案解析】[解析] 本题也是近义词辨析，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“expand”适合。