I'm very disappointed that he failed to win the game.这个句子是状语从句吗?请问这个句子是状语从句吗?是原因状语从句吗?或者是什么句子?

I'm very disappointed that he failed to win the game.这个句子是状语从句吗?请问这个句子是状语从句吗?是原因状语从句吗?或者是什么句子?
I'm very disappointed that he failed to win the game.这个句子是状语从句吗?
请问这个句子是状语从句吗?是原因状语从句吗?或者是什么句子?

I'm very disappointed that he failed to win the game.这个句子是状语从句吗?请问这个句子是状语从句吗?是原因状语从句吗?或者是什么句子?
You've got it!
是原因状语从句.

I'm very disappointed that he failed to win the game
that he failed to win the game是原因状语从句
我是从事英语的，乐意为你解答。

原因状语从句
状语是修饰动词的，一般就是和方式有关
这里应该是表示原因的