2022-08-23：以下go语言代码输出什么？A：map[baz:2 foo:0]；B：map[bar:1 baz:2]；C：map[baz:2]；D：不确定

package main

import (
    "fmt"
)

func main() {
    m := map[string]int{"foo": 0, "bar": 1, "baz": 2}
    for k := range m {
        if k == "foo" {
            delete(m, "bar")
        }
        if k == "bar" {
            delete(m, "foo")
        }
    }
    fmt.Println(m)
}