His behavior is understandable.11/23His behavior is understandable.We can understand what he behaves.We can understand why he behaves like that.It is difficult to understand his behavior.It is understood that he behaves.Giải thíchĐáp án đúng: B Dịch: Chúng tớ có thể hiểu tại sao anh ấy lại cư xử như vậy.