In the following descriptions find out the step in which the process is completed. P: By 7 o'clock I got ready and left for the examination centre. The examination was to start at nine. When I reached the examination centre, my friends, Sarah and John, had already arrived there. Q: I got up at 4 a.m. and had a cup of tea. I studied till 6 o'clock and, thus, gave a quick revision to all topics. R: We discussed the important topics. Then we had a cup of tea in the school canteen. Then we entered the examination centre. We were full of confidence and had no fear of the examination. S: Many students were enthusiastically preparing for the paper. The bell rang and we were in the hall. Choose your answer from the following options.

• A.  QRPS                          
• B.  QPRS
• C.  QRSP                          
• D.  PQRS
• E.  None of these