If you can keep your promise,I'll tell you_____ he told me A all which B that C all that Dwhich

Question

要解释，谢谢

Answer 1

C all that

如果你可以信守诺言，我会把他告诉我的都告诉你~

Answer 2

C all that
这是名词性从句
翻译：如果你可以信守诺言，我会把他告诉我的都告诉你~

Answer 3

C，这是名词性从句。

Answer 4

B 这是一个宾语从句