This is a test of commonsense with single/multi-choices. Complete the next sentence:

Then, a man and a woman set up a christmas tree. Then, the couple put lights and ornaments on the tree. a toddler

OPT:
[A]. helps walks around and also help put ornaments on the tree..
[B]. puts the walking stick on the tree, then she is see it in the front..
[C]. removes the lights, and the mom puts the ribbon to clip the ribbon..
[D]. proceeds to cut the tree..
The answer is:
[A].