In the following question, a sentence has been given in Direct/Indirect speech. Out of the four alternatives suggested, select the one which best express the same sentence in Indirect/Direct speech. They told us that they had waited at the station for a long time.

• They told us "We waited at the station for a long time".
• They told us "We had been waiting at the station for a long time".
• They told us "We are waiting at the station for a long time".
• They told us "We wait at the station for a long time."