下列代码执行后的输出顺序是（　　）。

class Base {
    public:
    Base() {
        cout << "B ";
    }
    virtual ~Base() {
        cout << "~B ";
    }
};

class Derived : public Base {
    public:
    Derived() {
        cout << "D ";
    }
    ~Derived() {
        cout << "~D ";
    }
};

int main() {
    Base *p = new Derived();
    delete p;
    return 0;
}

{{ select(1) }}

• B D ~B ~D

• D B ~D ~B

• B D ~D ~B

• B D ~B