At one time, the majestic American chestnut was so prevalent that it was said a squirrel could jump from tree to tree without once touching the ground between New York State and Georgia.
At one time, the majestic American chestnut was so prevalent that it was said a squirrel could jump from tree to tree without once touching the ground between New York State and Georgia.
(A) so prevalent that it was said a squirrel could (B) so prevalent that a squirrel was said that it could (C) so prevalent for a squirrel to be said to be able to (D) prevalent enough that it was said a squirrel could (E) prevalent enough for a squirrel to be said to be able to 答案A中it作为形式主语,it was said后面是不是应该加上连词that啊?