Each Line of the File UN

Multiple Choice

Each line of the file UN.txt contains four pieces of information (name, continent, population in millions, area) about one of the 192 member countries of the United Nations. The first two lines of the file are
Afghanistan,Asia,28.2,251772
Albania,Europe,3.2,11100
What is the first line of the file created by the following code?
Dim query = From line In IO.File.ReadAllLines("UN.txt") Let data = line.Split(","c)
Let country = data(0) Let population = 1000000 * CDbl(data(2) ) Let area = CDbl(data(3) )
Let density = population / area
Select country & "," & density.ToString("N1")
IO.File.WriteAllLines("NewFile.txt", query)

A) Afganistan,28200000/251772
B) Afganistan,112.0
C) Afganistan,112.006100757829
D) country,density