"Please could you wake me up at 7 o’clock tomorrow morning?” I asked the doorman.
A.I asked the doorman if he wakes me at 7 o’clock in the following morning.
B.I asked the doorman if he wake me at 7 o’clock in the following morning.
C.I asked the doorman whether he wakes me at 7 o’clock in the following morning or not.
D.I asked the doorman to wake me up 7 o’clock in the following morning.