63. Some bits of a Visual Basic 6 application, like most APIs, can be easily migrated to VB.NET; other parts are not so straightforward. Which of the following will NOT have to be re-architected during a VB 6-to-VB.NET migration ?

A.DHTML pages
B.ADO to ADO via Interop
C.ActiveX documents
D.OLE controls
ANS:B