_______ we have not made any arrangement for our picnic.
A. So far B. Up to now C. Thus far D. As yet
为什么这题不选A呢?我们老师给的解释是在否定句和疑问句中通常用(as) yet,但我觉得说服力不够呀。平时so far也在否定句中看到过呀?
你的怀疑是有道理的,so far 用于否定句属正常用法。如(截图自《牛津同义词词典》):