I believe the answer to your question is B. Conflict
Salmon's need to lay many eggs because the eggs are very fragile. These eggs are not very likely to survive and hatch. Lots of eggs need to be laid to guarantee the survival of at least some of the eggs.
The excerpt that tells the White family's uncertainty on the Major's story would be when Mr. White said:
"If the tale about the monkey's paw is not more truthful than those he has been telling us," said Herbert, as the door closed behind their guest, just in time to catch the last train, "we shan't make much out of it." This is because they are not sure what is true about the information that a stranger told them in the train.
I think the answer is
False
