单选题 One way to overcome regional variation and facilitate the communication between speakers of different dialects is to enforce ______.
A. phonetic reform B. language planning
C. language reform D. social planning

【正确答案】 B
【答案解析】要消除方言带来的交流不便，需要做语言策划，而不是语言或语音改革或社会计划行动。所以本题的答案是B。