“Where is the bus stop? The old man asked a policeman. a. The old man asked where was the bus stop.       b. The old man asked where the bus stop was.             c. The old man told a policeman where the bus stop is.          ...

“Where is the bus stop? The old man asked a policeman.  a. The old man asked where was the bus stop.        b. The old man asked where the bus stop was.              c. The old man told a policeman where the bus stop is.              d. The old man asked where  the bus stop has been.