.Since I came here two years ago, great changes __________ in the factory and many people want to come here to pay a visit.

A have been taken place   B. had been taken place  C. have taken place   D. are taking place

肘部扭挫伤最少伤及（）。

A.桡侧副韧带

B.尺侧副韧带

C.关节囊

D.尺神经

E.后侧副韧带