紫外线脱敏作用的机理是（）

A.大剂量紫外线可以引起RNA破坏和蛋白变性

B.大剂量紫外线可以使DNA严重受损，导致细胞的死亡

C.紫外线可以破坏氨基酸，导致酶功能丧失，影响细胞的功能

D.蛋白质分解形成的组胺，会刺激组胺酶的产生，组胺酶能够分解过多的组胺

E.紫外线可以通过二羟维生素D，促进肠道对钙的吸收，进而增加血管的通透性和神经兴奋性

A: Could I invite my friends to my house for the Dragon Boat Festival, Mom
B: (76) . That sounds like fun.
A: Yeah. Ummm...Could I borrow some money
B: (77)
A: I need to buy some ingredients to make Zongzi.
B: I’m going to the supermarket and I can buy what you need.
A: (78) .
B: You’re welcome. Oh, could you clean your room
A: (79)
B: You need to clean it again for your friends.
A: OK, Dave is coming early. (80) .
B: All right. By the way, do you know how to make Zongzi Maybe we can make Zongzi together. And then we can give some to your grandparents as well.
A: Perfect.