问题
选择题
In the past, officials have criticized American intelligence services, __________ they relied too heavily on technology.
A．to say
B．saying
C．said
D．say
答案
答案：B
考查现在分词做状语，句意是：在过去，官员一直在批评美国的情报机构，认为他们太依赖科技了。选B。