What is the first line of the file created by the following code?

```
Dim query = From line In IO.File.ReadAllLines('N.txt')

Let data = line.Split(","c)
Let country = data(0)
Let population = 1000000 * CDbl(data(2))
Select country & '," & population
IO.File.WriteAllLines("NewFile.txt", query)
```
(A) Afganistan,31.8
(B) Afganistan,31,800,000
(C) Afganistan,31800000
(D) country,population

(D) country,population