—We will finish the task very quickly if your team can help us.

—That’s right.       .

A．Early bird catches the worm.

B．Two heads are better than one.

C．Many hands make light work.

D．Great minds think alike.

Reading books is very important for developing the students’ understanding of the world, ____?

A．is it

B．are they

C．isn’t it

D．aren’t they