________ served as secretary of war under the Articles of Confederation and also, in George Washington's administration, under the United States Constitution.
(A) When Henry Knox
(B) It was Henry Knox
(C) Henry Knox
(D) Henry Knox, who
答案:C
我選:A
我的疑問是:
選A → 用連接詞 when 為什麼不可以呢?可以連接最後的under the United States Constitution.
可以請知道的人指導一下嗎?謝謝....