Question $41$ pts

Consider:

class A

$\{$

public void doA$()$

$\{$

$\}$

$\}$

class B extends A

$\{$

public void doB$()$

$\{$

$\}$

$\}$

class C extends B

$\{$

public void doC$()$

$\{$

$\}$

$\}$

Which of the following is allowed?

Group of answer choices

B x $=$ new C$()$;

B x $=$ new B$()$;

C x $=$ new B$()$;

A x $=$ new B$()$;

C x $=$ new A$()$;

A x $=$ new A$()$;

C x $=$ new C$()$;

B x $=$ new A$()$;