有“森林医生”之称的啄木鸟为树木治病的行为是（　　）

A．防御行为

B．觅食行为

C．生殖行为

D．攻击行为

A project team is suffering from misunderstandings between team members who have different cultural backgrounds. The project manager is evaluating how to improve communication and collaboration. Which of the following statements is not true

A) Only those who realize that cultural differences are a resource to be fully utilized will survive in international project business.
B) There is a common ground for people from different cultures on which they can interact without unsolvable conflicts.
C) Cultural differences will always remain an obstacle to be overcome for cross-cultural projects.
D) Cross-cultural competence is a critical lever for competitive advantage in international project business.