Mrs. Karanja plans to expand her business into foreign markets.

　　定位到文中第五段的第三、四句，"Today, the business has a 20% share of the overall drinks market in Kenya. Mrs. Karanja is now considering expansion into other countries."，如今，Keroche公司在肯尼亚的饮料市场占有20%的份额。Karanja女士现在正在考虑向其他国家扩张。题目与原文意思相符，故选A。