Lilly's Funny Social Studies Test Question

All this week, Lilly has had to study for her Social Studies test, which will be given on Friday.  I usually read her the questions while she's taking a bath, and have her answer them out loud back to me.

This question has made me laugh all week; every single time I read it:

Choice 'b' cracks me up!  I picture this in my head every time I read it:

LOL!  XD