Windows is very happy to run a program automatically when a USB flash drive is inserted into a PC . How convenient , both for end users and for bad guys .

Question with options to choose from: Why is windows " happy to run a program automatically " ?
OPTIONS: (I) windows cheers itself only with USB; (II) Windows has a sort of voice .; (III) It enjoys things like a human .; (IV) None of the above choices .;
(IV)