—I              to the beach last Sunday. What about you?

—I              violin and did some reading. [ ]

A. went; play

B. go; play the

C. went; played

D. went; played the

如图所示，下列哪一项符合于半紧闭式装置（）

A.贮气囊内的呼出气无重复吸入

B.用毛巾盖在开放点滴的面罩上

C.用充气法使无重复呼吸

D.部分呼出气和部分二氧化碳被重复吸入

E.呼出气和二氧化碳全部被重复吸入