She was very upset that she had to moved.请问这句中that从句起什么语法作用

问题描述:

She was very upset that she had to moved.请问这句中that从句起什么语法作用
原句应为she had to move.两种答案“that从句在这里引导结果状语从句,that在这里是引导原因状语从句”,哪一个更合理?tks!

应为原因状语从句.原因:She was very upset 意思为“她很不安”,“that”后面的从句表达的就是“不安”的原因,即“搬家”.
结果状语从句与此不同:它的句型为“.is so .that.”意思是如此.以至于.如果它是对的,那么就成“她是非常不安以至于搬家”,这显然是不对的.