Could you tell me something what I haven't known（）

A:Could B:tell C:what D:haven't

Could you tell me something what I haven't known（）

A:Could B:tell C:what D:haven't

Could you tell me something what I haven't known（）

A:Could B:tell C:what D:haven't

Could you tell me something what I haven't known（）

A:Could B:tell C:what D:haven't

Could you tell me something what I haven't known（）

A:Could B:tell C:what D:haven't