People drive their own cars to avoid public transportation delays.
题号:11 题型:单选题（请在以下几个选项中选择唯一正确答案） 本题分数:5
内容:
People drive their own cars to avoid public transportation delays,and this ______ creates more problems.
选项:
a、after all
b、once again
c、in case
d、in turn