【单选题】Libraries develop with times. They have changed greatly since decades ago. ___4___ Some libraries have apps so you can see when your books are due back and even reserve books in some cases. There are ...
A.
Libraries help people learn.
B.
Libraries help educate the kids.
C.
They create a great sense of community.
D.
You can go in, settle down and read a book without being charged a penny.
E.
Most libraries now have computers and allow people to borrow CDs and DVDs.
F.
Libraries help us save money as we’re borrowing books rather than buying them.
G.
For others, particularly the homeless and people in poverty, a lifeline to the world.