乙型肝炎的病原体属于（）
A.衣原体
B.真菌
C.细菌
D.病毒
E.螺旋体
参考答案：D
下列（）是现当代上海画坛的代表人物。
A.黄宾虹
B.刘海粟
C.贺绿汀
D.周小燕
E.张乐平
Whenever I met her, ____ was fairly often, she greeted me with a sweet smile. [ ]
A. who
B. which
C. when
D. that
