----- that we couldn't catch up with himA so fast he ran B so fast did he run C so fast ran he D such fast did he run最好说明理由

问题描述:

----- that we couldn't catch up with him
A so fast he ran B so fast did he run
C so fast ran he D such fast did he run
最好说明理由

a

B 倒装句 so that 表示因为.所以.