A book contains 3 sections. The first section covers 1/5 of the book, the second cover 3/5 and the third covers 1/5. If the book has 500 pages, how many pages are there in each section respectively?

Question

( A ) 200, 100, 200
( B ) 100, 300, 100
( C ) 100, 100, 300
( D ) 300, 100, 100