Q. "Where will you be tomorrow," I said, "in case I have to ring you ?"

• (A) I asked where you will be the next day in case I will ring him.
• (B) I asked where he would be the next day in case I had to ring him.
• (C) I said to him where he will be in case I have to ring him.
• (D) I enquired about his where about the next day in case I would have to ring up.