托业考试

根据网考网考试中心的统计分析，以下试题在2018/9/25日托业考试习题练习中，答错率较高，为：73%
【单选题】The condition of sale on these ______ discounted items publicized in our advertising is valid ______ one week only.

• (A) from
• (B) through
• (C) in
• (D) for