The project manager is overseeing a multinational project with resources for development, support and quality testing services. Project managers face communication challenges due to language and cultural differences. What can a project manager do to improve communication? 项目经理正在监督一个跨国项目，拥有提供开发、支持和质量测试服务方面的资源。由于语言和文化的差异，项目经理遇到沟通挑战。若要改善沟通，项目经理可以怎么做？ ◑A.Update communications management plan更新沟通管理计划 ◑B.Conduct team building activities and consider colocation开展团队建设活动，考虑团队成员集中办公 ◑C.Request executives’ support to upgrade resources请求管理层支持来升级资源 ◑D.Improve trust and consistency of opinion, improve morale and enhance teamwork spirit.提高信任感和意见一致性，提高士气，增强团队合作精神
