The traffic was held up for more than thirty minutes, ________ caused me to arrive late.
正确答案： D
本题解析：
非限制性定语从句引导词的选取。
名词解释：a bill of lading
名词解释：offer
名词解释：preferred stock
名词解释：copyright
名词解释：silent partnership
名词解释：private international law
The wounded soldiers would recover quickly if they were well ________.
_______ at all is worth doing well.
He declined _______ more about it.
