In the English language, sentence stress is like word stress and is gives English its rhythm.
A. when
B. why
C. that
D. what
网友回答
A. when
B. why
C. that
(答案→)D. what
解析：句意：在英语这种语言中，句子的重读就像单词重音，它给出了英语的韵律。这里是what引导的是表语从句，它在从句中作主语，when/why只能在从句中作状语，that在名词性性从句中不作成分。故选D。