7 is b. They said it was the mark of the black man.
The answer is D
Explanation: In the second half of the passage it states that he haid sent them a "token of his very great affection". This of course means that the answer has to be D: the children’s host in Chesham still cared about them after they left.
1) I
2) Heavy rains or fast-melting snow CAUSE
3) Lightning bolts FLASH