Graphene looks like it 's going to be one of the " wonder materials " of the future , and a science team at Cornell University have just demonstrated the world 's smallest balloon made of it .
Why is graphene looking like it will be a wonder material ?
Pick the best answer from the following options:
A. It has unusual properties that have many different applications in the real world .
B. It is a new form of " wonder " bread that is made of some new gluten free wheats .
C. Graphene is a sort of " garbage " material that is n't worth wondering about .
D. Wonder means I do n't see any use for it .. I wonder what it is .


A