单选题 As the case of Amitar Ray and his family exemplifies, professional immigrants are among the most rapidly ______ first because of their occupational success and second because of the absence of strong ethnic networks that reinforce the culture of origin.

【正确答案】 A
【答案解析】assimilated被吸收的；consumed被消费的；accustomed变习惯的；fascinated使着迷的。题意为那些职业型的移民是最容易被同化的，所以选A。