Look at the code snippets below and select all correct ways to reassign a variable.
A)
var animal = 'dog';
var animal = 'bird';B)
var animal = 'dog';
animal = 'bird';C)
let animal = 'dog';
animal = 'bird';D)
let animal = 'dog';
let animal = 'bird';E)
const animal = 'dog';
animal = 'bird';