メソッド解決できねーぞこの野郎エラー

mrotest.cpp

#include <iostream>


class A
{

    virtual void test(void) const
    {
        std::cout << "class A" << std::endl;
    }
    
};

class B
{
    virtual void test(void) const
    {
        std::cout << "class B" << std::endl;
    }
};

class C: public A, public B
{
};


class D: public B, public A
{
};


class E: public C, public D
{
};


int main(const int argc, const char* const args)
{
    const E x;

    x.test();
    
    return 0;
}