公共英语二级

单选题In those days she was always lost in thought.so that she had to be called three or four times___she came to her dinner.

参考答案:D进入在线模考
本题考查从句中连词的选择。until意为“直到…才…”;after意为“在…之后”;when意为“当…时候”;before意为“在…之前”。