单项选择题A．managementsB．managerialC．managersD．management
单项选择题A．headquartersB．plantsC．agentsD．subsidiaries
单项选择题A．inB．underC．withD．have
单项选择题A．limitingB．limitsC．limitD．limited
单项选择题A．diversificationB．diversifyingC．diversifyD．diversified
