It was only with the help of the local guide _____.     [ ]

A. was the mountain climber rescued    

B. that the mountain climber was rescued    

C. when the mountain climber was rescued    

D. then the mountain climber was rescued

世贸组织属于多边贸易组织，其包含的内容众多的各种规则对国际经济贸易的发展产生深远的影响，主要表现在（）

A.促进货物贸易

B.促进直接投资

C.促进技术发展

D.促进经济全球化