A. I think you can get one in the marketB. They can make the tank more beautiful and provide food and shelter for fishC. My fish died because the tank was overcrowdedA: Do you recommend putting some plants in the tank?B: Sure.【D1】______ .A: But how did it come that some of my fish died?B: You must have put too much duckweed in the tank, which hinders aeration.A: No, I didn't.【D2】______ .B: OK, you can replace it with a larger one.A: Good. But do you know where I can buy one?B:【D3】______ .A: Are you sure?B: I think so.A: OK. Thank you.