書名：youtube
頁數：https://www.youtube.com/watch?v=KH7Df1g4cms 111.
題目：A buffet dinner is availalbe to the guests,so they may eat ____
looks appetizing to them without having to place an order.
(A) anyway
(B) whatever
(C) wherever
(D) anything
答案是B
疑問：寫的時候B和D在考慮，想請問下應該如何分別whatever 跟 anything的用法呢？