You are developing a Windows Store app by using JavaScript. The app persists a list of
stocks in the app’s settings. The stock list is identified by a key of stockList. The app must
allow users to remove their stock lists from the app’s settings. The following function call
removes the stockList setting:
deleteAppSetting(“stockList”) ;
You need to remove only stockList from the settings storage without disrupting other
settings. Which code segment should you use?

A.

B.

C.

D.