答案：A

考查强调句、定语从句。It is said that是固定句式，“据说……”；后面的it was all that he said是个主语从句（It is said that中的it是形式主语），本来正常的顺序应该是：That it was all that he said is said，但是为了避免句子头重脚轻，所以用了形式主语it，把真正的主语That it was all 放在后面。that he said是定语从句，修饰先行词all。句意：据说那就是他说的所有的话。