“Where will you be tomorrow,” I said, “in case I have to ring you ?”

The correct answer is: B. I asked where he would be the next day in case I had to ring him.

The sentence “Where will you be tomorrow,” I said, “in case I have to ring you ?” is a question. The speaker is asking the listener where they will be the next day, in case the

Option A is incorrect because the speaker is asking where the listener will be, not where the speaker will be.

Option C is incorrect because the speaker

Option D is incorrect because the speaker is using the word “ring” to mean “call on the telephone,” not “go around.”