Study the following code snippet:

vector quiz$(2)$;

quiz $\backslash ([\backslash$theta$]=\backslash )$ new Question;

quiz $\backslash ([\backslash$theta$]\backslash$rightarrow $\backslash )$ set$\_$text$("$Who was the inventor of $\backslash (\backslash$mathrm$\{$C$\}++\backslash )?")$;

quiz$[0]->$set$\_$answer$("$Bjarne Stroustrup"$)$;

ChoiceQuestion$*$ cq$\_$pointer $=$ new ChoiceQuestion;

cq$\_$pointer$->$set$\_$text $("$What is the most popular programming language?"$)$;

cq$\_$pointer$->$add$\_$choice$("$Delphi$",$ false$)$;

quiz$[1]=$ cq$\_$pointer;

Which of the following statements about the last line of the code snippet is true?cq$\_$pointer cannot be assigned to quiz because cq$\_$pointer does not point to a Question object.The ChoiceQuestion object will be converted to a Question object.This is illegal because a ChoiceQuestion object requires more memory than a Question object does.The cq$\_$pointer will be converted to a pointer to a Question object.