When the newspaper boy got to a blue door which frightened him away as fast as possible.A

问题补充：

When the newspaper boy got to a blue door,,which frightened him away as fast as possible.

A. out a fierce dog rushed

B. out did a fierce dog rush

C. out rushed a fierce dog

D. rushed out a fierce dog

答案：

A. out a fierce dog rushed

B. out did a fierce dog rush

(答案→)C. out rushed a fierce dog

D. rushed out a fierce dog

解析：out置于该句句首，该句需要用完全倒装。