The writer of the epistle of james was most likely: . the son of zebedeeb. the lord's half brotherc. the son of levid. the father of judas the apostlee. the son of alphaeus

B. the Lord's half brother.

Explanation:

There´s no absolute certainty about the real author of the Epistle of James. The document doesn´t show traits of pseudepigraphic, so many scholars believe it was written by James, the Lord´s brother. There are no autobiographic elements in it, it doesn´t suggest a reason for hidding the identity . There is scholarly agreement that the author was a Jew.  

the answer should be:

their party has more members.

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