【题目】______________ their final medical check, the astronauts boarded their spacecraft.
A.ReceivedB.Being received
C.To receiveD.Having received
在线课程【答案】D
【解析】
考查非谓语动词。句意：接受了最后的体检后，宇航员们登上了宇宙飞船。astronauts与receive之间是逻辑上的主谓关系，表示主动，而且体检发生在登上宇宙飞船之前，所以用现在分词的完成式作状语，故D项正确。