问题
选择题
----- The opening ceremony has already started.
------Look! The flag is _______ now.
A．risen
B．raising
C．being raised
D．being rose
答案
答案：C
考查现在进行时的被动，和动词辨析：句意：--开幕式已经开始了。看！旗帜正在被升起。Raise是及物动词，rise、是不及物动词，不能用被动。选C。