China began to open to the outside world

问题选择题

China began to open to the outside world in the late 1970s. _________, there have been great changes in the country.

A．By then

B．As a result

C． At last

D．In all

答案

答案：B

题目分析：句意:在20世纪70年代后期，中国开始对外开放。结果中国发生了很大的变化。by then 到那时为止；as a result 结果是……； at last 最后；in all 总而言之。根据句意可知，对外开放的结果是让中国发生了巨大的变化。故选B。