Consider the Following: ≪?xml Version="1.0" Encoding="utf-8"?>

Multiple Choice

Consider the following: <?xml version="1.0" encoding="utf-8"?>
<menu
Xmlns:android="http://schemas.android.com/apk/res/android">
<item android:id="@+id/create_new"       
Android:title="@string/create_new" />
<item android:id="@+id/open"       
Android:title="@string/open" />
</menu> public boolean onOptionsItemSelected(MenuItem item) {    switch (item.getItemId() ) {       case R.id.create_new:       newFile() ;       return true       default:       return super.onOptionsItemSelected(item) ;    } } Upon clicking on one of the menu items, the application did not behave as intended. Which of the following might be the cause of this problem? (Choose two)

A) The developer did not set onClickListener on the menu item.
B) The developer did not include "R.id.open" in the switch case.
C) The developer should create onOptionsItemSelected method for each menu item.
D) The developer did not override the activity method "onCreateOptionsMenu" and enflate the given menu layout.