问题
选择题
In the English language, sentence stress is like word stress and is _________ gives English its rhythm.
A．when
B．why
C．that
D．what
答案
D
题目分析：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。
考点：