What does the following JavaScript code do when the web page loads? window.addEventListener("load", function() { let survey = document.forms.survey; let lastName = orderForm.elements.lastName; lastName.focus(); }); Option A ensures that none of the elements of the survey form receive the focus Option B places a cursor in the lastName input box of the survey form Option C requires that the user type in thelastName input box of the survey form before continuing Option D transfers the value from the lastName input box of the survey form to the focus element