31 Why does anyone today A think of B think back C i think out D think through

【参考答案】

答案：B

解析： 选项B "think back" 意为“回忆，回想”，符合句子的意思，......

(↓↓↓ 点击下方‘点击查看答案’看完整答案 ↓↓↓)