multiple choice

A flat square of paper is folded one or more times. The broken lines indicate the original position of the paper. The solid lines indicate the position of the folded paper. The paper is never turned or twisted. The folded paper always remains within the edges of the original square. There may be from one to three folds in each item. After the last fold a hole is punched in the paper. Your task is to mentally unfold the paper and determine the position of the holes on the original square. There is only one correct pattern for each item. oo.. OOOO OOO oo. ooo. 000 OOO . OOO OOOO OOOO Oooo A B C D E O A) a O B) b O C) c O D) d O E) e