单选题：Which of the following phenomena is not a kind of deadlock?
Which of the following phenomena is not a kind of deadlock? @[D](1)
A. Two cars crossing a single-lane bridge form opposite directions
B. A person is going down a ladder while another is climbing up the ladder
C. Two trains traveling toward each other in the same track.
D. A car cannot move forward because a bridge is damaged.
A.Two cars crossing a single-lane bridge form opposite directions
B.A person is going down a ladder while another is climbing up the ladder
C.Two trains traveling toward each other in the same track.
D.A car cannot move forward because a bridge is damaged.
答案：D
A. Two cars crossing a single-lane bridge form opposite directions
B. A person is going down a ladder while another is climbing up the ladder
C. Two trains traveling toward each other in the same track.
D. A car cannot move forward because a bridge is damaged.
A.Two cars crossing a single-lane bridge form opposite directions
B.A person is going down a ladder while another is climbing up the ladder
C.Two trains traveling toward each other in the same track.
D.A car cannot move forward because a bridge is damaged.
答案：D