【正确答案】He has a strong sense of responsibility, and that's why he was chosen to take control of the project.

【答案解析】[翻译指导] a strong sense of responsibility表示“极强的责任感”；“这就是为什么他被选中掌管这个项目”还可翻译成：...that's the reason why he was chosen to take charge of the project.