Sarah pretended to be cheerful, ____nothing about argument.A. says B: said C. to say D. saying为什么答案是Dsaying nothing about argument 在句中做什么成分,该如何翻译谢谢

Sarah pretended to be cheerful, ____nothing about argument.A. says B: said C. to say D. saying为什么答案是Dsaying nothing about argument 在句中做什么成分,该如何翻译谢谢
Sarah pretended to be cheerful, ____nothing about argument.
A. says B: said C. to say D. saying
为什么答案是D
saying nothing about argument 在句中做什么成分,该如何翻译
谢谢

Sarah pretended to be cheerful, ____nothing about argument.A. says B: said C. to say D. saying为什么答案是Dsaying nothing about argument 在句中做什么成分,该如何翻译谢谢
做状语,修饰前面的主句,意思是,萨拉假装很开心,没有提到任何关于吵架的事情.

saying nothing about argument补充说明而已
翻译：对争论只字不提

伴随状语。萨拉假装很高兴，对争论的事只字不提。