The astronauts started their journeys in rockets forward by jets of hot gas.
A. drove
B. driven
C. driving
D. to drive
网友回答
A. drove
(答案→)B. driven
C. driving
D. to drive
解析：考察分词作定语。本题中的动词drive与名词rockets构成被动关系，故使用过去分词短语在句中作定语。句意：宇航员坐在有喷气式气体驱动的火箭中开始了他们的旅行。故B正确。