console related question

gistfile1.txt

// Predict is output with reasoning
const xyzPromise = () => {
  return new Promise((resolve) => {
    resolve('A')
  });
};

console.log('B');
setTimeout(() => console.log('C'), 0);
xyzPromise()
  .then((message) => {
    console.log(message);
  });

console.log('555')