Read the following context and choose the best option to answer the question.
Context: In reality , it was sand . Sand used to make the finest glass . After the war , the Barcid king had ordered that no glass was to be given to outsiders at any cost . Thus , over the years , glass had become scarce and the process of glass making lost to the world .
Question: What may happen if the King does n't allow outsiders to have glass after the war .
Options: 
A. Glass will become scarce to everyone
B. Glass would be around in some places .
C. None of the above choices .
D. Everyone making glass will be forgotten .


A