In this task, you will be presented with a passage and have to answer a question based on your understanding of the events inferred from the passage. Try to find the best answer that is most likely to fill in "_". Note that the URLs in the text have been replaced with [Link].
Q: Hollywood, Florida (CNN) Donald Trump's new delegate guru told Republican Party insiders at a posh resort here on Thursday that the billionaire front-runner is recalibrating the part "that he's been playing" and is ready to work with the GOP to "evolve" as a candidate past the divisive primary. Meanwhile 1,100 miles away in Harrisburg, Pennsylvania, Trump told his supporters the Republican system is "rigged" and "crooked." This is the dilemma facing the Republican National Committee and its members meeting here this week: Can they cope with Trump, an unpredictable personality who has come this close to winning the presidential nomination with a campaign leaning heavily on direct anger at GOP officials and institutions?Trump is ready to "evolve" as a candidate, aide Paul Manafort saidJittery Republican officials are meeting in Florida as they prepare for a possible contested national convention 
 Question:The _ campaign is approaching things here as if it already won the nomination.
A: 
Donald Trump