—Ijoinedinthe2017NanjingMarathon(馬拉松)race,

問題詳情：

 — I joined in the 2017 Nanjing Marathon (馬拉松) race, _______ I couldn’t run as fast as a real athlete.

— That’s really great! You are my hero!

A. though                  B. until                         C. unless                      D. if

【回答】

A

知識點：連詞

題型：選擇題