2. The content leads to "falling wood", which is a connecting link in structure. (That's right)
3.B
4. Influenced by predecessors, the word konoha is also in line with the implicit style of poetry in the use of poets. (That's right)
5. "Wood" is "tree", which is consistent in concept. But in the sense, "wood" is generally a vivid image obtained in the scene of autumn leaves falling, while "tree" needs more leaves to express full feelings. (That's right)
6. "Omission".