行书兼具楷书的规矩和草书的放纵，杰出代表有东晋的王羲之、唐朝的颜真卿、北宋的苏轼等

Four years ago, quitting the artistic director of American Ballet Theatre, Baryshnikov found the White Oak Dance Project.

A．have quit as... was founding

B．having quit as... had founded

C．being quit as... founded

D．having quit as... founded