Mr. Cat: The door is smashed open and a shoe print was left on the doormat. The shoe print is larger than typical. Ian has large feet. Therefore, Ian must have kicked down the door.

I don't understand D. I thought about choosing it, but because a new term 'explicit', is introduced, I decided against it. I'm trying to understand when to bring my own assumption and when not to. This felt like I needed to bring my own assumption to know that 'explicit' makes sense in this answer choice