Official recognition that foreign technology could play a major

Official recognition that foreign technology could play a major role in modernizing the Chinese economy had caused imports to rise by more than 50％ in1978, placing undue strain on the national economy. (   )
A、realization
B、knowing
C、acceptance
D、refusing
【正确答案】：A
【题目解析】：recognition意为”认识到，了解到“；realization了解，认识；knowing知道；acceptance接受；refusing拒绝。