С, ! здесь нужно вставить правильное прилагательное: this detalied map is the atlas. a)more useful as b)more useful like c)more useful than d)usefuller as. если не трудно, то ещё объяснить почему именно это прилагательно нужно вставить

Clare: There's Hansel and Gretel at the Unicorn Theatre. Would you like to see it on Saturday?
Marie: Great! I  have read  the tale but I  have not seen  the play yet.
Paul: It   was  on TV yesterday. I   enjoyed   it.
Melanie: I've got a Hansel and Gretel video and I  watched  it yesterday evening
Paul: Yesterday we   went  with our geography teatcher to the Natural History Museum. We   did  geography tasks and  were watching  dinosaurs for two hours. Have you been to the Natural History Museum yet?
Marc: No, we have not.
Paul: You should see the dinosaurs.Why not go there on Sunday?
Marc: That's great!

Clare: There's Hansel and Gretel at the Unicorn Theatre. Would you like to see it on Saturday? Marie: Great! I  have read  the tale but I  have not seen  the play yet.

Paul: It   was  on TV yesterday.I   enjoyed   it.

\Melanie: I've got a Hansel and Gretel video and I  watched  it yesterday evening

Paul: Yesterday we   went  with our geography teatcher to the Natural History Museum. We   did  geography tasks and  were watching  dinosaurs for two hours. Have you been to the Natural History Museum yet? Marc: No, we   have not.  .

Paul: You should see the dinosaurs. Why not go there on Sunday? Marc: That's great!