When Using the Remove Method of a Collection, What Happens

Multiple Choice

When using the Remove method of a collection, what happens if the argument provided is a string expression?

A) The item at the index value represented by that string is removed if found in the collection.
B) The item with a key value that matches the string is removed, if the key was found in the collection.
C) A string expression may not be provided as an argument.
D) A syntax error occurs