did they go to Beijing A why,for B What,for C Why,about

題目：

()did they go to Beijing() A why,for B What,for C Why,about D What,about

解答：

答案：【 What】did they go to Beijing【for
翻譯：他們爲什麼去了北京?
解析；what for=why翻譯爲什麼?
【親!你的10分滿意,我們團隊的無限動力】