State TWO factors that should be kept constant in the investigation

Which of the following is a comparison that this poem makes?

Read this excerpt from holes. he had no sailing experience, but the ship’s captain signed him aboard. the captain could see that elya was a man of great strength. not everybody could carry a full-grown pig up the side of a mountain. it wasn’t until the ship had cleared the harbor and was heading out across the atlantic that he suddenly remembered his promise to carry madame zeroni up the mountain. he felt terrible. what information does this flashback provide about elya? a.elya did not intend to break his promise to madame zeroni. b.madame zeroni is very angry and disappointed in elya. c.elya is terribly afraid of madame zeroni’s curse. d.elya does not care what happened to madame zeroni.

Suppose you need to verify how correctly use commas you open ur english textbook and scan the chaper titles in which one would most likey find the information you need