试题题干
Most couples born in the 1980s were pampered when they were young,（ ） they have problems in tolerating and adjusting with their other half.
参考答案
正确答案：
试题解析
并列连词，so 所以，因此。只有连词能够连接句子，除so之外的其他三个词语为副词，不符合题意。句意：多数80年代出生的夫妇在年轻时都被宠爱，所以他们在容忍和适应另一半方面有问题。