(1)故时有物外“之”趣.(C)
(2)心“之”所向,则或千或百,果然鹤也.(B)
(3)观“之”,兴正浓.(D)
(4)鞭数十,驱“之”别院.(A)
(5)使“之”冲烟而飞鸣.(A)
(6)见藐小“之”物必细察其纹理.(C)