According to the passage, Fugita and O'Brien's data indicate which one of the following about the Japanese American ethnic community? A. Community bonds have weakened primarily as a result of occupational mobility by Japanese Americans. B. The community is notable because it has accommodated multiple and layered identities without losing its traditional intensity. C. Community cohesion is similar in intensity to the community cohesion of other ethnic groups that have been in the United States for the same period of time. D. Community involvement weakened during the second generation, but strengthened as the third generation regained an interest in cultural traditions. E. The nature of the community has been altered by Japanese American participation in new professional communities and nonethnic voluntary associations.