问题
选择题
During the opening ceremony, “Miss Smile” has won the hearts of Chinese Internet users after being caught _____ the same smile for nearly 20 minutes．
A．fixed
B．to be fixed
C．to fix
D．fixing
答案
答案：D
本题考查非谓语动词。be caught doing被碰上、撞见或发现某人做某事，固定用法。故选D。