30000dollars is a large amount of money,but it's far more/ve

題目：

30000dollars is a large amount of money,but it's far more/very much/far less/very little than we need哪一個,爲什麼

解答：

far less 因爲前面有large,後面有but,表示轉折.所以應該是少於.然後有than,應該用比較級less