---Why, Emily, you look so energetic!
---Well, I ______ in the gym for a slim figure so far.
A．a(chǎn)m working outB．had been working out
C．worked outD．have been working out
D

試題分析：考查時態(tài)：句意：--怎么了Emily，你看起來這么精力充沛。--哦，在現(xiàn)在為止，我一直在體操房鍛煉苗條的身材。選D。
點評：考查時態(tài)時，如果有時間狀語，就充分利用時間狀語，如果沒有，要結(jié)合上下文找出來。這句話的so far就是明顯的暗示。
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