A:What a
B:What
C:How a
D:How
杨氏____(sì shì) 家禽____(qín qínɡ) 应____(yīnɡ yìnɡ)声
甚____(shèn shènɡ)至 造诣____(zhǐ yì) 为____(wéi wèi)设果
“文化大革命”开始于( )