A smartphone that is four years old can barely keep a charge in its battery for a single day. The phone runs hot, and the case is slightly swollen. What do you suspect is wrong with it$?$ This type of question contains radio buttons and checkboxes for selection of options. Use Tab for navigation and Enter or space to select the option. option A Malware option B Incorrect settings option C Battery has reached end$-$of$-$life option D Too many apps left open