27. That was the man ______ parents were college teachers.
(A) he
(B) his
(C) that
(D) whose

That was the man whose parents were college teachers.

whose類型的題目，可以看空格前面的人與空格後面的物品能不能組合在一起，如果是通順的，就選擇whose。

→ 男人(man)的父母(parents)

【相關題目】

20.However hard we tried, we just couldn’t find the person ________ car was blocking the driveway.
(A)whose
(B)that
(C)his
(D)and 

102 年 - 102年 中華電信102專業職(四)第一類專員(字彙&文法測驗30題)#14160-國營事業◆英文

→ 該人(person)的車(car) 

Let me introduce Jeff, ________ father owns a company with three thousand employees.
(A)wheren
(B)wheren
(C)whomn
(D)whose 

→ Jeff的父親(father)
 

I have fallen in love with a girl ________ father is a famous writer.

(A) her
(B) that
(C) who’s
(D) whose

100 年 - 100年 台灣自來水公司100年評價職位人員 x 英文#7962-國營事業◆英文

→ 女孩(girl)的父親(father)

【英語教室】19. 關係代名詞 - Who, Whose, Which, That

why?  有人會解釋嗎