What puzzles them most is they can remember more words in such a short time．A. what B. that C. where

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编辑：chaxungu时间：2026-04-27 03:06:44分类：高中英语题库

【题目】What puzzles them most is ________ they can remember more words in such a short time．

A. what B. that C. where D. how

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【答案】D

【解析】此句考查表语从句连接词。句意：最让他们困惑的是他们如何能在这么短的时间内记住更多的单词。从句不缺主语、宾语，故what不对，缺少方式状语，故选how。