With the gas , they had to quit the car and walked.
A. ran out
B. running out
C. run out of
D. was run out of
网友回答
A. ran out
(答案→)B. running out
C. run out of
D. was run out of
解析：with短语常表示伴随，本题中前半句并非是个完整的句子，run out耗尽，不及物动词，无被动形式，后不接宾语，run out of后必须接宾语，句意：因为汽油的耗尽，他们不得不弃车而徒步前进。故选B.