He and the boy stared at each other a long moment , both knowing what must be done and each knowing the other would more than do his share.

He and the boy stared at each other a long moment , both knowing what must be done and each knowing the other would more than do his share.

A...he would do his best to help the other.

B...he would share whatever he had with the other.

C...the other would contribute more money than expected.

D...the.other would do more than what he was expected to do.

正确答案是D