Question

Much new high technology has been introduced from America, ________ a great increase in the production of the company.

A．resulting in

B．having led to

C．contributed to

D．caused

Answer 1

A

考查非谓语动词。句意：从美国引进的多种高新技术，导致了这个公司产品的大幅增长。现在分词表示主语正在进行的伴随性动作，如果动作发生在主语动作之前则用完成时态的现在分词，结合语境可知选A。