A-A+
They made detailed investigations to________th
问题详情
They made detailed investigations to________themselves with the needs of the rural market
A．adhere
B．acknowledge
C．acquaint
D．activate请帮忙给出正确答案和分析，谢谢！
参考答案
正确答案：C
解析：A．adhere粘附。坚持。B．acknowledge承认，报偿。C．acquaint使熟知，介绍，通知。acquaint sb／onself with使熟悉或了解某事物。D．activate刺激，使活动。
