单选题 It was through his uncle's influence which Philip obtained his position with the biggest oil company in the country.
A. through B. which C. position D. with

【正确答案】 B
【答案解析】[解析] 应改为that。本句是一个强调句，应用that来引导。本句的意思是：“正是通过他叔叔的影响力，菲利普才在该国最大的石油公司谋得一个职位。”