问题补充：
, he had to walk home at midnight.
A. There was no means of transportation
B. With means of transportation to take
C. Although there was no means of transportation
D. There being no means of transportation
答案：
A. There was no means of transportation
B. With means of transportation to take
C. Although there was no means of transportation
(答案→)D. There being no means of transportation
解析：句意：因为在半夜没有交通工具，他不得不走着回家。整个句子逗号后是句子，如果逗号前是句子必须有连词，选项C，虽有连词句意不通，故排除C；选项A是句子但缺少连词，故排除A；选项B，用的是with的复合结构，但是句意不通，“有交通工具，所以走着回家。”，故排除B；根据句意故选D。
