Each of the corporations had ______ own home office.

Each of the corporations had ______ own home office.
A、it’ s
B、his
C、its
D、their
【正确答案】：C
【题目解析】：have one's own意为”有某人自己的......"；前面是each of，意为“每一个”，所以要用its指代，故选C。