问题

I was asked to sort out the documents but instead of putting them ______ , I totally _______[ ]
A: in order; messed up them
B: in an order; made a mess of them
C: in the order; messed them up
D: in an order; made a mess of it
B: in an order; made a mess of them
C: in the order; messed them up
D: in an order; made a mess of it
正确答案是: