①是主权国家在行使自卫权 ②表明军事是综合国力基础
③能推动国际格局的多极化 ④是坚定维护本国国家利益
A:①④
B:②③
C:③④
D:②④
They can't buy anything because _________ of the shops are open now
—Yes. I it for two years.