—How was your day off, Rick?

—Oh, it was wonderful. We          camping and had a good time.[ ]

A. go    

B. goes    

C. are going    

D. went

《巴塞尔协议》中为了消除银行间不合理竞争，促进国际银行体系的健康发展，规定银行的资本充足率应达到6％。（）