—Do you know the nearest way to the science museum?

—Sorry, I’m a stranger. This is the first time I _________ here.

A．was

B．had

C．came

D．have come

据卫生部统计，我国高血压、脑卒中、冠心病、肿瘤、糖尿病等非传染性疾病所造成的死亡，目前已占全部死亡的______%以上。