A. The area is under construction.
A 這個地區正在建設中。
B. The buildings look exactly the same.
B 這些樓看上去都一樣。
C. The fence is being put around the site.
C 這個地點外面都圍著柵欄。
D. All the people are wearing safety hats.
D 所有人都戴著安全帽。