问题
选择题
After a careful survey about the cause of the newly-built bridge, they finally came to a(n) _________ that it was due to the heavy rain.
A．construction
B．motivation
C．conclusion
D．impression
答案
答案：C
题目分析：句意：在对新建的大桥的原因进行仔细的调查后，他们最后得出结论是由于大雨。四个选项的含义分别是：A. Construction建设，B. Motivation动机，激发，C. Conclusion结论，D. Impression印象，这里也使用了词组：come to conclusion得出结论，所以选C。