-Your father is very strict with you.-. He never lets off a single mistake of ours

问题补充：

---- Your father is very strict with you.

---- . He never lets off a single mistake of ours.

A. So he is

B. So is he

C. He is so

D. So does he

答案：

(答案→)A. So he is

B. So is he

C. He is so

D. So does he

解析：本题考查倒装。句中考查so + 主语 + be动词，表示“的确如此”。句意：——你父亲对你非常严格。——的确。他从不放过我们任何一个错误。