—What do you think made Celia so happy?

— ________ a prize in the recent competition.[ ]

A. As she won  

B. Won

C. Winning  

D. Because of winning

对光透视，有一条不透明的木心。质硬或柔润，有黏性，断面角质样，中柱黄白色的药材是

A．麦冬
B．天冬
C．石菖蒲
D．黄精
E．香附