A. so I had to buy presents for twoB. I could use some helpC. Just let me open the door of itJack: Can I help you with those packages?Mark: Huh? Why, yes.【D1】______ . It is very kind of you.Jack: No trouble at all. Are you parked nearby?Mark: Right over there. The blue great truck.Jack: Where do you want me to put these?Mark: In the front will be fine.【D2】______ .Jack: It looks as if you're having New Year early at your house.Mark: No, it's my twin brothers' birthday,【D3】______ .