Helen hurt her leg while _____ on the playground. We had to send her to the hospital.       [ ]

A. played            

B.  playing      

C. was playing        

D. is playing

女性症瘕的患病部位常见于（）

A.胃脘部

B.下腹部

C.脐周部

D.两胁部

E.以上都不是