下列哪一部作品主要抨击封建道德和教会的禁欲主义，宣扬人性的解放（）
A.A
B.B
C.C
D.D
参考答案：D
_________ in Current Biology, the finding suggests that female birds seek mates with superior singing skills.
A．To publish
B．Published
C．Having published
D．To be published
填图．
如菜豆种子的结构示意图，
①______；②______；③______；④______．
