- you got to know I traveled to USA?? -Through one of your colleagues.? A.Where

— ____ you got to know I traveled to USA??

—Through one of your colleagues.?

    A.Where it was that

    B.When was it that?

    C.How was it that

    D.Why was it that?

试题答案

C

解析:

  根据答语“Through one of your colleagues.”可知应用表示方式的疑问词how，并用问句形式。