(05.01, 05.02 MC)
Which of the following correctly demonstrates a verb tense shift?
While I am walking out of the house, I am hearing a crash in the kitchen.
O While walking out of the house, I heard a crash in the kitchen.
While I was walking out of the house, I have heard a crash in the kitchen.
While I will be walking out of the house, I heard a crash in the kitchen.