_______and short of breath, Andy and Ruby were the first to reach the top of Mount Tai.   [ ]

A. To be tired            

B. Tired        

C. Tiring                

D. Being tired

境外机构、组织、个人实施或者（）他人实施的危害中华人民共和国国家安全的间谍行为，必须受到法律追究。

A、指使

B、策划

C、诱惑

D、资助