If the company（ ）overseas, it would have been more competitive.

If the company（ ）overseas, it would have been more competitive.
A、advertised itself
B、had advertised itself
C、advertises itself
D、has advertised itself
【正确答案】：B
【题目解析】：表示过去的假设情况，需用句子结构：从句用过去完成时，主句用过去将来完成时。因此本题选择B选项。