—I do more exercise and eat _________ meat than I did last year.
—That's why you're getting thinner.
A：little
B：less
C：least
有一种军用烟幕弹中装有ZnO、Al粉和C2Cl6，其发烟过程中的化学反应为：①3ZnO+2Al═Al2O3+3Zn ②3Zn+C2Cl6═3ZnCl2+2C
下列有关叙述不正确的是（ ）
I met Li Lei hospital last Sunday. He was ill ______ hospital then.
