There aren't many seats left for the concert; you had better make sure ________ two today. [ ]

A. getting  

B.  to have got

C. that you get  

D.  that you will get

按照我国的有关规定，在贸易争端中由仲裁委员会做出的裁决是终局性的，对双方当事人都有约束力。