单选题 They're satisfied with the replies they've received from the public ______ far.

【正确答案】 B
【答案解析】[解析] 本题考查so far的用法。“so far”意思是“迄今为上”，符合句意，故选项B为正确答案。
[避错指南] A项、C项和D项均不能与far搭配成词组，故均排除。