Which of the following statements is a characteristic of the crisis period of intercultural adaptation
选项：

A:The sojourners' curiosity provides them a feeling of excitement.
B:The sojourners confront frequent confusion and disintegration in values, beliefs and lifestyles.
C:The sojourners begin to appreciate and repect the new culture and to develop sensitivity toward cultural difference.
D:The sojourners develop a level of competency in communicating with the natives.