What Evidence Speaks Against the Notion That Christianity Transitioned Rapidly

What evidence speaks against the notion that Christianity transitioned rapidly and early from a largely Jewish to a largely Gentile movement?

A) The Roman government did not recognize Christianity as a religion distinct from Judaism for at least three decades.
B) The real leaders of the early church were all Jews, and Peter had an extensive ministry specifically to Jews.
C) A substantial part of the New Testament was written to Jewish Christians.
D) All of the above
E) None of the above