As far as I could tell, he had never done one happy, noisy kid thing.

As far as I could tell, he had never done one happy, noisy kid thing.

A.As far as I knew,he had never behaved like a naughty kid.

B.As far as I knew,he had never made friends with other kids.

C.As far as I knew,he had never played happily with other kids.

D.As far as I knew, he had never been so naive and childish like other kids.

正确答案是A