下列程序的运行结果是什么？
function nums(a, b) {
if
(a > b)
console.log('a is bigger')
else
console.log('b is bigger')
return
a + b
}
console.log(nums(4, 2))
console.log(nums(1, 2))
A.
a is bigger, 6, b is bigger, 3
B.
a is bigger, undefined, b is bigger, undefined
